power: Add AMS AS3722 PMIC support

The AS3722 provides a number of DC/DC converters and LDOs as well as 8
GPIOs.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 9d86dba..9a4d470 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -78,6 +78,7 @@
 	COMPAT(INTEL_PANTHERPOINT_AHCI, "intel,pantherpoint-ahci"),
 	COMPAT(INTEL_MODEL_206AX, "intel,model-206ax"),
 	COMPAT(INTEL_GMA, "intel,gma"),
+	COMPAT(AMS_AS3722, "ams,as3722"),
 };
 
 const char *fdtdec_get_compatible(enum fdt_compat_id id)