x86, mkpiggy: Don't open code put_unaligned_le32()

Use the new headers in tools/include instead of rolling our own
put_unaligned_le32() implementation.

Cc: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Link: http://lkml.kernel.org/r/1330436245-24875-4-git-send-email-matt@console-pimps.org
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c
index 46a8238..958a641 100644
--- a/arch/x86/boot/compressed/mkpiggy.c
+++ b/arch/x86/boot/compressed/mkpiggy.c
@@ -29,14 +29,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
-
-static uint32_t getle32(const void *p)
-{
-	const uint8_t *cp = p;
-
-	return (uint32_t)cp[0] + ((uint32_t)cp[1] << 8) +
-		((uint32_t)cp[2] << 16) + ((uint32_t)cp[3] << 24);
-}
+#include <tools/le_byteshift.h>
 
 int main(int argc, char *argv[])
 {
@@ -69,7 +62,7 @@
 	}
 
 	ilen = ftell(f);
-	olen = getle32(&olen);
+	olen = get_unaligned_le32(&olen);
 	fclose(f);
 
 	/*