[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-arm6_7.S b/arch/arm/mm/proc-arm6_7.S
index 0432e48..ce4f9ee 100644
--- a/arch/arm/mm/proc-arm6_7.S
+++ b/arch/arm/mm/proc-arm6_7.S
@@ -15,9 +15,9 @@
 #include <linux/init.h>
 #include <asm/assembler.h>
 #include <asm/asm-offsets.h>
+#include <asm/elf.h>
 #include <asm/pgtable-hwdef.h>
 #include <asm/pgtable.h>
-#include <asm/procinfo.h>
 #include <asm/ptrace.h>
 
 ENTRY(cpu_arm6_dcache_clean_area)