ram: imxrt: Include device_compat.h

Necessary for dev_xxx.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
diff --git a/drivers/ram/imxrt_sdram.c b/drivers/ram/imxrt_sdram.c
index 765a214..b6ee02d 100644
--- a/drivers/ram/imxrt_sdram.c
+++ b/drivers/ram/imxrt_sdram.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <clk.h>
 #include <dm.h>
+#include <dm/device_compat.h>
 #include <init.h>
 #include <log.h>
 #include <ram.h>