Drop prototype guarding for romcc

Commit "romcc: Don't fail on function prototypes" (11a7db3b) [1]
made romcc not choke on function prototypes anymore. This
allows us to get rid of a lot of ifdefs guarding __ROMCC__ .

[1] http://review.coreboot.org/2424

Change-Id: Ib1be3b294e5b49f5101f2e02ee1473809109c8ac
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/3216
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
diff --git a/src/include/lib.h b/src/include/lib.h
index 40c76f2..1f71d35 100644
--- a/src/include/lib.h
+++ b/src/include/lib.h
@@ -22,7 +22,6 @@
 #ifndef __LIB_H__
 #define __LIB_H__
 #include <stdint.h>
-#ifndef __ROMCC__ /* romcc doesn't support prototypes. */
 
 #ifndef __PRE_RAM__ /* Conflicts with inline function in arch/io.h */
 /* Defined in src/lib/clog2.c */
@@ -43,8 +42,10 @@
 /* Defined in src/lib/stack.c */
 int checkstack(void *top_of_stack, int core);
 
+#ifndef __PRE_RAM__ // fails in bootblock compiled with romcc
 /* currently defined by a ldscript */
 extern unsigned char _estack[];
+#endif
 
 /* Defined in romstage.c */
 #if CONFIG_CPU_AMD_GEODE_LX
@@ -53,5 +54,4 @@
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx);
 #endif
 
-#endif /* __ROMCC__ */
 #endif /* __LIB_H__ */