[ARM] Include asm/elf.h instead of asm/procinfo.h

These files want to provide/access ELF hwcap information, so should
be including asm/elf.h rather than asm/procinfo.h

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 6f72549..b440c8a 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -13,8 +13,8 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <asm/asm-offsets.h>
+#include <asm/elf.h>
 #include <asm/hardware/arm_scu.h>
-#include <asm/procinfo.h>
 #include <asm/pgtable-hwdef.h>
 #include <asm/pgtable.h>