Top config.mk: add include/config.mk

Seems to me that the top level config.mk should include
the auto generated include/config.mk so that all Makefile's
pickup those definitions.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>

config.mk

@@ -117,6 +117,7 @@ RANLIB	= $(CROSS_COMPILE)RANLIB
 
 # Load generated board configuration
 sinclude $(OBJTREE)/include/autoconf.mk
+sinclude $(OBJTREE)/include/config.mk
 
 # Some architecture config.mk files need to know what CPUDIR is set to,
 # so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.