[U-Boot-Users] cpu/ppc4xx/config.mk: Make a needlessly deffered expansion immediate.

[Shinya Kuribayashi]

This will reduce the build time.

Signed-off-by: Shinya Kuribayashi <skuribay at ruby.dti.ne.jp>
---

 cpu/ppc4xx/config.mk |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)


diff --git a/cpu/ppc4xx/config.mk b/cpu/ppc4xx/config.mk
index 311c97b..baa97a4 100644
--- a/cpu/ppc4xx/config.mk
+++ b/cpu/ppc4xx/config.mk
@@ -25,7 +25,7 @@ PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi -fno-strict-aliasing
 PLATFORM_CPPFLAGS += -DCONFIG_4xx -ffixed-r2 -mstring -msoft-float
 
 cfg=$(shell grep configs $(OBJTREE)/include/config.h | sed 's/.*<\(configs.*\)>/\1/')
-is440=$(shell grep CONFIG_440 $(TOPDIR)/include/$(cfg))
+is440:=$(shell grep CONFIG_440 $(TOPDIR)/include/$(cfg))
 
 ifneq (,$(findstring CONFIG_440,$(is440)))
 PLATFORM_CPPFLAGS += -Wa,-m440 -mcpu=440