Rename coreboot_ram stage to ramstage

Rename coreboot_ram stage to ramstage. This is done in order to provide
consistency with other stage names (bootblock, romstage) and to allow any
Makefile rule generalization, required for patches to be submitted later.

Change-Id: Ib66e43b7e17b9c48b2d099670ba7e7d857673386
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: http://review.coreboot.org/5567
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/src/lib/selfboot.c b/src/lib/selfboot.c
index feff03e..8e9e0de 100644
--- a/src/lib/selfboot.c
+++ b/src/lib/selfboot.c
@@ -29,7 +29,7 @@
 #include <bootmem.h>
 #include <payload_loader.h>
 
-/* from coreboot_ram.ld: */
+/* from ramstage.ld: */
 extern unsigned char _ram_seg;
 extern unsigned char _eram_seg;
 
@@ -418,7 +418,7 @@
 				/* Zero the extra bytes */
 				memset(middle, 0, end - middle);
 			}
-			/* Copy the data that's outside the area that shadows coreboot_ram */
+			/* Copy the data that's outside the area that shadows ramstage */
 			printk(BIOS_DEBUG, "dest %p, end %p, bouncebuffer %lx\n", dest, end, bounce_buffer);
 			if ((unsigned long)end > bounce_buffer) {
 				if ((unsigned long)dest < bounce_buffer) {