usb: musb: rename ->reset() to ->recover()

recover is a much better name than reset, considering
we don't really reset the IP, just run platform-specific
babble recovery algorithm.

while at that, also fix a typo in comment and add kdoc
for recover memeber of platform_ops.

Tested-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index a159de1..30eb6ac2 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -600,7 +600,7 @@
 	return session_restart;
 }
 
-static int dsps_musb_reset(struct musb *musb)
+static int dsps_musb_recover(struct musb *musb)
 {
 	struct device *dev = musb->controller;
 	struct dsps_glue *glue = dev_get_drvdata(dev->parent);
@@ -624,7 +624,7 @@
 
 	.try_idle	= dsps_musb_try_idle,
 	.set_mode	= dsps_musb_set_mode,
-	.reset		= dsps_musb_reset,
+	.recover	= dsps_musb_recover,
 };
 
 static u64 musb_dmamask = DMA_BIT_MASK(32);