usb: r8a66597: Remove BE support

While the USB controller can work both in LE and BE modes, there is
no user for the BE mode, so drop it. If there ever is a user for it,
it can be easily re-added back.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Chris Brandt <chris.brandt@renesas.com>
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index d144b57..2b9f8a1 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -139,9 +139,9 @@
 	for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
 		r8a66597_write(r8a66597, 0, get_intenb_reg(port));
 
-	r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, CFIFOSEL);
-	r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D0FIFOSEL);
-	r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D1FIFOSEL);
+	r8a66597_bclr(r8a66597, BIGEND, CFIFOSEL);
+	r8a66597_bclr(r8a66597, BIGEND, D0FIFOSEL);
+	r8a66597_bclr(r8a66597, BIGEND, D1FIFOSEL);
 	r8a66597_bset(r8a66597, TRNENSEL, SOFCFG);
 
 	for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)