Spelling fixes

Spelling errors found using github.com/lucasdemarchi/codespell
A tool to fix common misspellings.
This tool is licensed under GNU General Public License, version 2.

(From meta-phosphor rev: 38f27112a9bc38337d8f4c63c333d2a1f28945fa)

Change-Id: I834b99d63a260f21c60b58c91ec328cf04b683fe
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-phosphor/common/recipes-phosphor/chassis/obmc-op-control-power.bb b/meta-phosphor/common/recipes-phosphor/chassis/obmc-op-control-power.bb
index fabddf3..c3a1b9d 100644
--- a/meta-phosphor/common/recipes-phosphor/chassis/obmc-op-control-power.bb
+++ b/meta-phosphor/common/recipes-phosphor/chassis/obmc-op-control-power.bb
@@ -1,4 +1,4 @@
-SUMMARY = "org.openbmc.control.Power implemention for OpenPOWER"
+SUMMARY = "org.openbmc.control.Power implementation for OpenPOWER"
 DESCRIPTION = "A power control implementation suitable for OpenPOWER systems."
 PR = "r1"