typo fixes

Most of these fixes were already submitted for old kernel versions, and were
approved, but for some reason they never made it into the releases.

Because this is a consolidation of a couple old missed patches, it touches both
Kconfigs and documentation texts.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 229d355..ea22cad 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -120,7 +120,7 @@
 	depends on PPC_IBM_CELL_BLADE
 	help
 	  PMI (Platform Management Interrupt) is a way to
-	  communicate with the BMC (Baseboard Mangement Controller).
+	  communicate with the BMC (Baseboard Management Controller).
 	  It is used in some IBM Cell blades.
 	default m