arm64: zynqmp: Add generic a2197 system controller config

Add generic configuration for a2197-p/-m/-g boards.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 62da168..78c0b09 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -247,6 +247,7 @@
 dtb-$(CONFIG_ARCH_ZYNQMP) += \
 	avnet-ultra96-rev1.dtb			\
 	avnet-ultrazedev-cc-v1.0-ultrazedev-som-v1.0.dtb	\
+	zynqmp-a2197-revA.dtb			\
 	zynqmp-mini.dtb				\
 	zynqmp-mini-emmc0.dtb			\
 	zynqmp-mini-emmc1.dtb			\