[ARM] add proc-macros.S include to proc-arm940 and proc-arm946

... otherwise these fail to build.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mm/proc-arm940.S

@@ -15,6 +15,7 @@
 #include <asm/pgtable-hwdef.h>
 #include <asm/pgtable.h>
 #include <asm/ptrace.h>
+#include "proc-macros.S"
 
 /* ARM940T has a 4KB DCache comprising 256 lines of 4 words */
 #define CACHE_DLINESIZE	16

arch/arm/mm/proc-arm946.S

@@ -17,6 +17,7 @@
 #include <asm/pgtable-hwdef.h>
 #include <asm/pgtable.h>
 #include <asm/ptrace.h>
+#include "proc-macros.S"
 
 /*
  * ARM946E-S is synthesizable to have 0KB to 1MB sized D-Cache,