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-mellanox rev: eef5a51d1b4882e43f86474b6bea66aa9279bf1e)

Change-Id: Ib56f706c2a791c96a2d5ba5b1aeaa2844dbaabed
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-mellanox/meta-msn/recipes-phosphor/initfs/files/obmc-init.sh b/meta-mellanox/meta-msn/recipes-phosphor/initfs/files/obmc-init.sh
index 55862aa..9512c76 100644
--- a/meta-mellanox/meta-msn/recipes-phosphor/initfs/files/obmc-init.sh
+++ b/meta-mellanox/meta-msn/recipes-phosphor/initfs/files/obmc-init.sh
@@ -46,7 +46,7 @@
 
 # This fw_get_env_var is a possibly broken version of fw_printenv that
 # does not check the crc or flag byte.
-# The u-boot environemnt starts with a crc32, followed by a flag byte
+# The u-boot environment starts with a crc32, followed by a flag byte
 # when a redundannt environment is configured, followed by var=value\0 sets.
 # The flag byte for nand is a 1 byte counter; for nor it is a 1 or 0 byte.