Spelling fixes

Spelling errors found using github.com/lucasdemarchi/codespell
A tool to fix common misspellings.
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Change-Id: I1d0551f8b7ceb7f74a975cae0a35ced15c01a74d
Tested: Built the repo
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/dcmihandler.cpp b/dcmihandler.cpp
index c077aa5..2f3eded 100644
--- a/dcmihandler.cpp
+++ b/dcmihandler.cpp
@@ -1130,7 +1130,7 @@
             DCMI_SET_CONF_PARAM_REQ_PACKET_MIN_SIZE || *data_len >
             DCMI_SET_CONF_PARAM_REQ_PACKET_MAX_SIZE)
     {
-        log<level::ERR>("Invalid Group ID or Invaild Requested Packet size",
+        log<level::ERR>("Invalid Group ID or Invalid Requested Packet size",
                         entry("GROUP_ID=%d", requestData->groupID),
                         entry("PACKET SIZE=%d", *data_len));
         return IPMI_CC_INVALID_FIELD_REQUEST;
@@ -1208,7 +1208,7 @@
     if (requestData->groupID != dcmi::groupExtId || *data_len != sizeof(
             dcmi::GetConfParamsRequest))
     {
-        log<level::ERR>("Invalid Group ID or Invaild Requested Packet size",
+        log<level::ERR>("Invalid Group ID or Invalid Requested Packet size",
                         entry("GROUP_ID=%d", requestData->groupID),
                         entry("PACKET SIZE=%d", *data_len));
         return IPMI_CC_INVALID_FIELD_REQUEST;
@@ -1300,7 +1300,7 @@
     responseData->groupID = dcmi::groupExtId;
 
     // TODO: openbmc/openbmc#2819
-    // Minumum, Maximum, Average power, TimeFrame, TimeStamp,
+    // Minimum, Maximum, Average power, TimeFrame, TimeStamp,
     // PowerReadingState readings need to be populated
     // after Telemetry changes.
     uint16_t totalPower = static_cast<uint16_t>(power);