src/vboot: Capitalize RAM and CPU

Change-Id: Iff6b1b08b8159588b964d9637b16e1e0bfcca940
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/15986
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/vboot/Kconfig b/src/vboot/Kconfig
index 0958b79..a008208 100644
--- a/src/vboot/Kconfig
+++ b/src/vboot/Kconfig
@@ -91,7 +91,7 @@
 	help
 	  If this is set, the verstage returns back to the calling stage instead
 	  of exiting to the succeeding stage so that the verstage space can be
-	  reused by the succeeding stage. This is useful if a ram space is too
+	  reused by the succeeding stage. This is useful if a RAM space is too
 	  small to fit both the verstage and the succeeding stage.
 
 config CHIPSET_PROVIDES_VERSTAGE_MAIN_SYMBOL
@@ -108,7 +108,7 @@
 	depends on VBOOT
 	help
 	  This option is used when there isn't enough pre-main memory
-	  ram to allocate the vboot work buffer. That means vboot verification
+	  RAM to allocate the vboot work buffer. That means vboot verification
 	  is after memory init and requires main memory to back the work
 	  buffer.
 
diff --git a/src/vboot/common.c b/src/vboot/common.c
index 3fa9657..cfdb82a 100644
--- a/src/vboot/common.c
+++ b/src/vboot/common.c
@@ -32,7 +32,7 @@
 /*
  * this is placed at the start of the vboot work buffer. selected_region is used
  * for the verstage to return the location of the selected slot. buffer is used
- * by the vboot2 core. Keep the struct cpu architecture agnostic as it crosses
+ * by the vboot2 core. Keep the struct CPU architecture agnostic as it crosses
  * stage boundaries.
  */
 struct vb2_working_data {