rockchip: mkimage: Add rk3576 support

Add support for rk3576 package header in mkimage tool.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>

tools/rkcommon.c

@@ -143,6 +143,7 @@ static struct spl_info spl_infos[] = {
 	{ "rv1126", "110B", 0x10000 - 0x1000, false, RK_HEADER_V1 },
 	{ "rk3528", "RK35", 0x10000 - 0x1000, false, RK_HEADER_V2 },
 	{ "rk3568", "RK35", 0x10000 - 0x1000, false, RK_HEADER_V2 },
+	{ "rk3576", "RK35", 0x80000 - 0x1000, false, RK_HEADER_V2 },
 	{ "rk3588", "RK35", 0x100000 - 0x1000, false, RK_HEADER_V2 },
 };