rockchip: remove binman temporary files when cleaning
Binman mkimage entry generates temporary files so let's remove them
when calling `make clean`.
Fixes: 9b312e26fc77 ("rockchip: Enable building a SPI ROM image on jerry")
Cc: Quentin Schulz <foss+uboot@0leil.net>
Reported-by: Johan Jonker <jbx6244@gmail.com>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/Makefile b/Makefile
index 541e942..5750a9e 100644
--- a/Makefile
+++ b/Makefile
@@ -2225,7 +2225,8 @@
lpc32xx-* bl31.c bl31.elf bl31_*.bin image.map tispl.bin* \
idbloader.img flash.bin flash.log defconfig keep-syms-lto.c \
mkimage-out.spl.mkimage mkimage.spl.mkimage imx-boot.map \
- itb.fit.fit itb.fit.itb itb.map spl.map
+ itb.fit.fit itb.fit.itb itb.map spl.map mkimage-out.rom.mkimage \
+ mkimage.rom.mkimage rom.map simple-bin.map
# Directories & files removed with 'make mrproper'
MRPROPER_DIRS += include/config include/generated spl tpl \