[U-Boot] [PATCH 2/2 RESEND] SPL: Allow user to disable CPU support library

[Marek Vasut <marek.vasut@gmail.com>]

Introduce CONFIG_SPL_NO_CPU_SUPPORT_CODE to avoid compiling the CPU support
library. This can be useful on some setups.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
Cc: Chander Kashyap <chander.kashyap@linaro.org>
---
 spl/Makefile |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/spl/Makefile b/spl/Makefile
index 56d8ea1..63d1a8a 100644
--- a/spl/Makefile
+++ b/spl/Makefile
@@ -20,6 +20,11 @@ export CONFIG_SPL_BUILD
 
 include $(TOPDIR)/config.mk
 
+# In case we want to avoid the CPU support code, we need to define this:
+ifndef	CONFIG_SPL_NO_CPU_SUPPORT_CODE
+SPL_CPU_SUPPORT_CODE := y
+endif
+
 # We want the final binaries in this directory
 obj := $(OBJTREE)/spl/
 
@@ -35,7 +40,7 @@ endif
 START := $(START_PATH)/start.o
 
 LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
-LIBS-y += $(CPUDIR)/lib$(CPU).o
+LIBS-$(SPL_CPU_SUPPORT_CODE) += $(CPUDIR)/lib$(CPU).o
 ifdef SOC
 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
 endif
-- 
1.7.5.4