usb: musb: use true for 'use_dma'

Fix the following coccicheck warning:

drivers/usb/musb/musb_core.c:1798:12-19: WARNING: Assignment of 0/1 to
bool variable
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Link: https://lore.kernel.org/r/20200525025049.3400-4-b-liu@ti.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/musb/musb_core.c

@@ -1795,7 +1795,7 @@ irqreturn_t musb_interrupt(struct musb *musb)
 EXPORT_SYMBOL_GPL(musb_interrupt);
 
 #ifndef CONFIG_MUSB_PIO_ONLY
-static bool use_dma = 1;
+static bool use_dma = true;
 
 /* "modprobe ... use_dma=0" etc */
 module_param(use_dma, bool, 0644);