Update Aiot-rk3588a board configuration with new boot settings

Author: ghhccghk

config/boards/shimeta-aiot-rk3588a.conf

@@ -2,8 +2,9 @@
 BOARD_NAME="Aiot rk3588"
 BOARDFAMILY="rockchip-rk3588"
 BOARD_MAINTAINER=""
-BOOTCONFIG="rk3588_defconfig"
-KERNEL_TARGET="current,edge,vendor"
+BOOTCONFIG="imb3588_defconfig"
+BOOT_SOC="rk3588"
+KERNEL_TARGET="vendor"
 KERNEL_TEST_TARGET="vendor"
 FULL_DESKTOP="yes"
 BOOT_LOGO="desktop"