Fix typo in various Kconfig file

Correct spelling typo in various Kconfig file.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index ce30e2f..923a6c3 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1001,12 +1001,12 @@
 	bool
 
 #
-# Endianess selection.  Sufficiently obscure so many users don't know what to
+# Endianness selection.  Sufficiently obscure so many users don't know what to
 # answer,so we try hard to limit the available choices.  Also the use of a
 # choice statement should be more obvious to the user.
 #
 choice
-	prompt "Endianess selection"
+	prompt "Endianness selection"
 	help
 	  Some MIPS machines can be configured for either little or big endian
 	  byte order. These modes require different kernels and a different
diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug
index 83ed00a..5a43aa0 100644
--- a/arch/mips/Kconfig.debug
+++ b/arch/mips/Kconfig.debug
@@ -57,7 +57,7 @@
 	  options.
 
 config CMDLINE_OVERRIDE
-	bool "Built-in command line overrides firware arguments"
+	bool "Built-in command line overrides firmware arguments"
 	default n
 	depends on CMDLINE_BOOL
 	help