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/tests/dsp/firmware_update.cpp b/tests/dsp/firmware_update.cpp
index 24bde16..ce494a9 100644
--- a/tests/dsp/firmware_update.cpp
+++ b/tests/dsp/firmware_update.cpp
@@ -1490,7 +1490,7 @@
 #ifdef LIBPLDM_API_TESTING
 TEST(QueryDownstreamIdentifiers, goodPathDecodeResponse)
 {
-    // Len is not fixed here taking it as 9, constains 1 downstream device with
+    // Len is not fixed here taking it as 9, contains 1 downstream device with
     // 1 descriptor
     constexpr uint32_t downstreamDevicesLen = 9;
     constexpr uint8_t complition_code_resp = PLDM_SUCCESS;
@@ -1582,7 +1582,7 @@
 #ifdef LIBPLDM_API_TESTING
 TEST(QueryDownstreamIdentifiers, decodeRequestErrorDownstreamDevicesSize)
 {
-    // Len is not fixed here taking it as 9, constains 1 downstream device with
+    // Len is not fixed here taking it as 9, contains 1 downstream device with
     // 1 descriptor
     constexpr uint32_t actualDownstreamDevicesLen = 9;
     constexpr uint8_t complition_code_resp = PLDM_SUCCESS;