[U-Boot] [PATCH] Default to HOSTARCH if ARCH isn't specified

[Kumar Gala]

Its possible to build natively on several platforms so we might not
explicitly set ARCH but detect it via HOSTARCH.  As such there are
some things that expect ARCH to be set to work correctly.

Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
---
 Makefile |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/Makefile b/Makefile
index e91c051..c56d6db 100644
--- a/Makefile
+++ b/Makefile
@@ -137,6 +137,10 @@ ifeq ($(ARCH),powerpc)
 ARCH = ppc
 endif
 
+ifndef ARCH
+ARCH = $(HOSTARCH)
+endif
+
 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
 
 # load ARCH, BOARD, and CPU configuration
-- 
1.6.0.6