drivers: usb: dwc3: remove devm_zalloc from linux_compact

devm_zalloc() is already defined in dm/device.h header, so
devm_zalloc can be removed from linux_compact.h beader file.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/usb/dwc3/ti_usb_phy.c b/drivers/usb/dwc3/ti_usb_phy.c
index 925f56c..d168e86 100644
--- a/drivers/usb/dwc3/ti_usb_phy.c
+++ b/drivers/usb/dwc3/ti_usb_phy.c
@@ -23,6 +23,7 @@
 #include <linux/ioport.h>
 #include <asm/io.h>
 #include <asm/arch/sys_proto.h>
+#include <dm.h>
 
 #include "linux-compat.h"