rockchip: mkimage: Add rk3588 support

Add support for rk3588 package header in mkimage tool.

Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/tools/rkcommon.c b/tools/rkcommon.c
index 0d29110..96efc11 100644
--- a/tools/rkcommon.c
+++ b/tools/rkcommon.c
@@ -135,6 +135,7 @@
 	{ "rv1108", "RK11", 0x1800, false, RK_HEADER_V1 },
 	{ "rv1126", "110B", 0x10000 - 0x1000, false, RK_HEADER_V1 },
 	{ "rk3568", "RK35", 0x10000 - 0x1000, false, RK_HEADER_V2 },
+	{ "rk3588", "RK35", 0x100000 - 0x1000, false, RK_HEADER_V2 },
 };
 
 /**