clang-tidy: Fix readability-braces-around-statements diagnostics

For example:

```
/usr/bin/clang-tidy -checks=-*, readability-braces-around-statements -export-fixes /tmp/tmpp5g5_gym/tmpoyj8t6gj.yaml -p=build /mnt/host/andrew/src/openbmc/libpldm/src/utils.c
/mnt/host/andrew/src/openbmc/libpldm/build/../src/utils.c:88:16: error: statement should be inside braces [readability-braces-around-statements,-warnings-as-errors]
        while (size--)
                      ^
                       {
```

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Change-Id: Id06d4049d5c9db1378b5a66ef1bac5372715a0fd
diff --git a/src/bios_table.c b/src/bios_table.c
index c187ab1..e8a419c 100644
--- a/src/bios_table.c
+++ b/src/bios_table.c
@@ -31,8 +31,9 @@
 
 static void set_errmsg(const char **errmsg, const char *msg)
 {
-	if (errmsg != NULL)
+	if (errmsg != NULL) {
 		*errmsg = msg;
+	}
 }
 
 static uint16_t get_bios_string_handle(void)
@@ -64,8 +65,9 @@
 					      const char *str,
 					      uint16_t str_length)
 {
-	if (str_length == 0)
+	if (str_length == 0) {
 		return PLDM_ERROR_INVALID_DATA;
+	}
 	POINTER_CHECK(entry);
 	POINTER_CHECK(str);
 	size_t length = pldm_bios_table_string_entry_encode_length(str_length);
@@ -179,8 +181,9 @@
 	uint16_t *pv_hdls =
 	    (uint16_t *)(attr_entry->metadata + 1 /* sizeof(pv num) */);
 	size_t i;
-	for (i = 0; i < info->pv_num; i++)
+	for (i = 0; i < info->pv_num; i++) {
 		pv_hdls[i] = htole16(info->pv_handle[i]);
+	}
 	attr_entry->metadata[1 + info->pv_num * sizeof(uint16_t)] =
 	    info->def_num;
 	memcpy(attr_entry->metadata + 1 /* sizeof(pv num) */ +
@@ -264,8 +267,9 @@
 	POINTER_CHECK(pv_hdls);
 	ATTR_TYPE_EXPECT(entry->attr_type, PLDM_BIOS_ENUMERATION);
 	uint8_t num = pldm_bios_table_attr_entry_enum_decode_pv_num(entry);
-	if (num != pv_num)
+	if (num != pv_num) {
 		return PLDM_ERROR_INVALID_DATA;
+	}
 	pldm_bios_table_attr_entry_enum_decode_pv_hdls(entry, pv_hdls, pv_num);
 	return PLDM_SUCCESS;
 }
@@ -329,9 +333,10 @@
 	attr_fields->min_length = htole16(info->min_length);
 	attr_fields->max_length = htole16(info->max_length);
 	attr_fields->def_length = htole16(info->def_length);
-	if (info->def_length != 0 && info->def_string != NULL)
+	if (info->def_length != 0 && info->def_string != NULL) {
 		memcpy(attr_fields->def_string, info->def_string,
 		       info->def_length);
+	}
 }
 
 #define PLDM_STRING_TYPE_MAX 5
@@ -380,8 +385,9 @@
 	    pldm_bios_table_attr_entry_string_encode_length(info->def_length);
 	BUFFER_SIZE_EXPECT(entry_length, length);
 	if (pldm_bios_table_attr_entry_string_info_check(info, NULL) !=
-	    PLDM_SUCCESS)
+	    PLDM_SUCCESS) {
 		return PLDM_ERROR_INVALID_DATA;
+	}
 	pldm_bios_table_attr_entry_string_encode(entry, entry_length, info);
 	return PLDM_SUCCESS;
 }
@@ -531,8 +537,9 @@
 	size_t length = pldm_bios_table_attr_entry_integer_encode_length();
 	BUFFER_SIZE_EXPECT(entry_length, length);
 	if (pldm_bios_table_attr_entry_integer_info_check(info, NULL) !=
-	    PLDM_SUCCESS)
+	    PLDM_SUCCESS) {
 		return PLDM_ERROR_INVALID_DATA;
+	}
 	pldm_bios_table_attr_entry_integer_encode(entry, entry_length, info);
 	return PLDM_SUCCESS;
 }
@@ -567,8 +574,9 @@
 {
 	size_t i;
 	for (i = 0; i < count; i++) {
-		if (attr_type == handlers[i].attr_type)
+		if (attr_type == handlers[i].attr_type) {
 			return &handlers[i];
+		}
 	}
 	return NULL;
 }
@@ -631,8 +639,9 @@
 	table_entry->attr_handle = htole16(attr_handle);
 	table_entry->attr_type = attr_type;
 	table_entry->value[0] = count;
-	if (count != 0)
+	if (count != 0) {
 		memcpy(&table_entry->value[1], handles, count);
+	}
 }
 
 uint8_t pldm_bios_table_attr_value_entry_enum_decode_number(
@@ -658,8 +667,9 @@
     uint8_t count, uint8_t *handles)
 {
 	POINTER_CHECK(entry);
-	if (count != 0 && handles == NULL)
+	if (count != 0 && handles == NULL) {
 		return PLDM_ERROR_INVALID_DATA;
+	}
 	ATTR_TYPE_EXPECT(attr_type, PLDM_BIOS_ENUMERATION);
 	size_t length =
 	    pldm_bios_table_attr_value_entry_encode_enum_length(count);
@@ -694,9 +704,10 @@
 	struct pldm_bios_attr_val_table_entry *table_entry = entry;
 	table_entry->attr_handle = htole16(attr_handle);
 	table_entry->attr_type = attr_type;
-	if (str_length != 0)
+	if (str_length != 0) {
 		memcpy(table_entry->value + sizeof(str_length), str,
 		       str_length);
+	}
 	str_length = htole16(str_length);
 	memcpy(table_entry->value, &str_length, sizeof(str_length));
 }
@@ -724,8 +735,9 @@
     uint16_t str_length, const char *str)
 {
 	POINTER_CHECK(entry);
-	if (str_length != 0 && str == NULL)
+	if (str_length != 0 && str == NULL) {
 		return PLDM_ERROR_INVALID_DATA;
+	}
 	ATTR_TYPE_EXPECT(attr_type, PLDM_BIOS_STRING);
 	size_t length =
 	    pldm_bios_table_attr_value_entry_encode_string_length(str_length);
@@ -843,8 +855,9 @@
 
 static uint8_t *pad_append(uint8_t *table_end, size_t pad_size)
 {
-	while (pad_size--)
+	while (pad_size--) {
 		*table_end++ = 0;
+	}
 
 	return table_end;
 }
@@ -923,15 +936,17 @@
 #define pad_and_check_max 7
 bool pldm_bios_table_iter_is_end(const struct pldm_bios_table_iter *iter)
 {
-	if (iter->table_len - iter->current_pos <= pad_and_check_max)
+	if (iter->table_len - iter->current_pos <= pad_and_check_max) {
 		return true;
+	}
 	return false;
 }
 
 void pldm_bios_table_iter_next(struct pldm_bios_table_iter *iter)
 {
-	if (pldm_bios_table_iter_is_end(iter))
+	if (pldm_bios_table_iter_is_end(iter)) {
 		return;
+	}
 	const void *entry = iter->table_data + iter->current_pos;
 	iter->current_pos += iter->entry_length_handler(entry);
 }
@@ -950,8 +965,9 @@
 	const void *entry;
 	while (!pldm_bios_table_iter_is_end(iter)) {
 		entry = pldm_bios_table_iter_value(iter);
-		if (equal(entry, key))
+		if (equal(entry, key)) {
 			return entry;
+		}
 		pldm_bios_table_iter_next(iter);
 	}
 	return NULL;
@@ -974,8 +990,10 @@
 {
 	const struct pldm_bios_string_table_entry *string_entry = entry;
 	uint16_t handle = *(uint16_t *)key;
-	if (pldm_bios_table_string_entry_decode_handle(string_entry) == handle)
+	if (pldm_bios_table_string_entry_decode_handle(string_entry) ==
+	    handle) {
 		return true;
+	}
 	return false;
 }
 
@@ -998,10 +1016,12 @@
 	const struct pldm_bios_string_table_entry *string_entry = entry;
 	const struct string_equal_arg *arg = key;
 	if (arg->str_length !=
-	    pldm_bios_table_string_entry_decode_string_length(string_entry))
+	    pldm_bios_table_string_entry_decode_string_length(string_entry)) {
 		return false;
-	if (memcmp(string_entry->name, arg->str, arg->str_length) != 0)
+	}
+	if (memcmp(string_entry->name, arg->str, arg->str_length) != 0) {
 		return false;
+	}
 	return true;
 }
 
@@ -1112,13 +1132,15 @@
 
 bool pldm_bios_table_checksum(const uint8_t *table, size_t size)
 {
-	if (table == NULL)
+	if (table == NULL) {
 		return false;
+	}
 
 	// 12: BIOSStringHandle(uint16) + BIOSStringLength(uint16) +
 	//     Variable(4) + checksum(uint32)
-	if (size < 12)
+	if (size < 12) {
 		return false;
+	}
 
 	uint32_t src_crc = le32toh(*(uint32_t *)(table + size - 4));
 	uint32_t dst_crc = crc32(table, size - 4);