rockchip: Add max spl size & spl header configs

Our chips may have different max spl size and spl header, so
we need to add configs for that.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Dropped CONFIG_ROCKCHIP_MAX_SPL_SIZE from rk3288_common.h,
Added $(if...) to tools/Makefile to fix widespread build breakage
Signed-off-by: Simon Glass <sjg@chromium.org>

Series-changes: 8
- Drop CONFIG_ROCKCHIP_MAX_SPL_SIZE from rk3288_common.h,
- Add $(if...) to tools/Makefile to fix widespread build breakage
diff --git a/tools/Makefile b/tools/Makefile
index 9cfd80b..7b4cd3f 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -64,7 +64,7 @@
 					rsa-sign.o rsa-verify.o rsa-checksum.o \
 					rsa-mod-exp.o)
 
-ROCKCHIP_OBS = lib/rc4.o rkcommon.o rkimage.o rksd.o
+ROCKCHIP_OBS = $(if $(CONFIG_ARCH_ROCKCHIP),lib/rc4.o rkcommon.o rkimage.o rksd.o,)
 
 # common objs for dumpimage and mkimage
 dumpimage-mkimage-objs := aisimage.o \
@@ -109,6 +109,12 @@
 
 # TODO(sjg@chromium.org): Is this correct on Mac OS?
 
+ifneq ($(CONFIG_ARCH_ROCKCHIP),)
+HOST_EXTRACFLAGS += \
+		-DCONFIG_ROCKCHIP_MAX_SPL_SIZE=$(CONFIG_ROCKCHIP_MAX_SPL_SIZE) \
+		-DCONFIG_ROCKCHIP_SPL_HDR="\"$(CONFIG_ROCKCHIP_SPL_HDR)\""
+endif
+
 ifneq ($(CONFIG_MX23)$(CONFIG_MX28),)
 # Add CONFIG_MXS into host CFLAGS, so we can check whether or not register
 # the mxsimage support within tools/mxsimage.c .