Fix spelling mistakes using codespell

This commit corrects various spelling mistakes throughout the
repository. The corrections were made automatically using `codespell`[1]
tool.

[1]: https://github.com/codespell-project/codespell

Change-Id: I25415165df192cfc3bd1405aca81bfa5bf2f7a63
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
diff --git a/src/dsp/firmware_update.c b/src/dsp/firmware_update.c
index 9ebb970..8b4a1ed 100644
--- a/src/dsp/firmware_update.c
+++ b/src/dsp/firmware_update.c
@@ -533,7 +533,7 @@
 		return PLDM_ERROR_INVALID_DATA;
 	}
 
-	// Assuming atleast 1 byte of VendorDefinedDescriptorData
+	// Assuming at least 1 byte of VendorDefinedDescriptorData
 	if (length < (sizeof(struct pldm_vendor_defined_descriptor_title_data) +
 		      entry->vendor_defined_descriptor_title_str_len)) {
 		return PLDM_ERROR_INVALID_LENGTH;
diff --git a/src/dsp/pdr.c b/src/dsp/pdr.c
index 09e87be..d5b3173 100644
--- a/src/dsp/pdr.c
+++ b/src/dsp/pdr.c
@@ -496,7 +496,7 @@
 	assert(start != NULL);
 
 	/* Insert after the the last node that matches the input entity type, or
-	 * at the end if no such match occurrs
+	 * at the end if no such match occurs
 	 */
 	while (start->next_sibling != NULL) {
 		uint16_t this_type = start->entity.entity_type;
@@ -1302,7 +1302,7 @@
 	*entities = l_entities;
 }
 
-/* Find the postion of record in pldm_pdr repo and place new_record in
+/* Find the position of record in pldm_pdr repo and place new_record in
  * the same position.
  */
 static int pldm_pdr_replace_record(pldm_pdr *repo, pldm_pdr_record *record,