src/.../Kconfig: various small fixes to texts

Fixed spelling and added empty lines to separate the help
from the text automatically added during make menuconfig.

Change-Id: I6eee2c86e30573deb8cf0d42fda8b8329e1156c7
Signed-off-by: Daniele Forsi <dforsi@gmail.com>
Reviewed-on: http://review.coreboot.org/6313
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
diff --git a/src/soc/intel/baytrail/Kconfig b/src/soc/intel/baytrail/Kconfig
index a93b487..a6a3a44 100644
--- a/src/soc/intel/baytrail/Kconfig
+++ b/src/soc/intel/baytrail/Kconfig
@@ -148,7 +148,7 @@
 	default 0x800
 	help
 	  The amount of anticipated stack usage from the data cache
-	  during pre-ram rom stage execution.
+	  during pre-RAM ROM stage execution.
 
 config RESET_ON_INVALID_RAMSTAGE_CACHE
 	bool "Reset the system on S3 wake when ramstage cache invalid."