[BSP][qemu-vexpress-a9] add SOC chip type definition
@@ -17,4 +17,10 @@ config $PKGS_DIR
source "$RTT_DIR/Kconfig"
source "$PKGS_DIR/Kconfig"
+
+config SOC_VEXPRESS_A9
+ bool
+ select ARCH_ARM_CORTEX_A9
+ default y
+
source "$BSP_DIR/drivers/Kconfig"
