[BSP] Add board type in imxrt1052-evk bsp

bsp/imxrt1052-evk/Kconfig

@@ -18,6 +18,11 @@ config $PKGS_DIR
 source "$RTT_DIR/Kconfig"
 source "$PKGS_DIR/Kconfig"
 
+config BOARD_IMXRT1052_EVK
+    bool
+    select ARCH_ARM_CORTEX_M7
+    default y
+
 config RT_USING_UART
     bool "Using RT_USING_UART"
     default y