usb: musb-new: Fix improper musb host pointer

When MUSB is operating in peripheral mode, probe registering
musb core using musb_register which intern return int value
for validation. so there is no scope to preserve struct musb
pointer but the same can be used in .remove musb_stop.
So fix this by return musb_register with struct musb pointer.

Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Purna Chandra Mandal <purna.mandal@microchip.com>
Tested-by: Chen-Yu Tsai <wens@csie.org> # A33-OlinuXino
Tested-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/board/compulab/cm_t3517/cm_t3517.c b/board/compulab/cm_t3517/cm_t3517.c
index 09cb27d..668bb76 100644
--- a/board/compulab/cm_t3517/cm_t3517.c
+++ b/board/compulab/cm_t3517/cm_t3517.c
@@ -74,8 +74,8 @@
 			CONF2_REFFREQ_13MHZ | CONF2_SESENDEN |
 			CONF2_VBDTCTEN | CONF2_DATPOL);
 
-	if (musb_register(&cm_t3517_musb_pdata, &cm_t3517_musb_board_data,
-			  (void *)AM35XX_IPSS_USBOTGSS_BASE))
+	if (!musb_register(&cm_t3517_musb_pdata, &cm_t3517_musb_board_data,
+			   (void *)AM35XX_IPSS_USBOTGSS_BASE))
 		printf("Failed initializing AM35x MUSB!\n");
 }
 #else