treewide: Fix typos in various Kconfig

Correct spelling typo within various Kconfig.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 9ff6f6e..dd1ae01 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -55,7 +55,7 @@
 	help
 	  Adds AHB configuration functionality for NVIDIA Tegra SoCs,
 	  which controls AHB bus master arbitration and some
-	  perfomance parameters(priority, prefech size).
+	  performance parameters(priority, prefech size).
 
 choice
         prompt "Default low-level debug console UART"