imx: imx93_evk: Add basic board support

Add basic board codes and defconfig for i.MX93 11x11 EVK board.

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index bd42a1d..05f02f2 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -971,6 +971,9 @@
 	imx8mq-pico-pi.dtb \
 	imx8mq-kontron-pitx-imx8m.dtb
 
+dtb-$(CONFIG_ARCH_IMX9) += \
+	imx93-11x11-evk.dtb
+
 dtb-$(CONFIG_ARCH_IMXRT) += imxrt1050-evk.dtb \
 	imxrt1020-evk.dtb