[media] radio: use true/false for boolean vars

Instead of using 0 or 1 for boolean, use the true/false
defines.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c
index d7ce8fe..bcd0946 100644
--- a/drivers/media/radio/radio-sf16fmi.c
+++ b/drivers/media/radio/radio-sf16fmi.c
@@ -285,7 +285,7 @@
 				io = isapnp_fmi_probe();
 				if (io < 0)
 					continue;
-				pnp_attached = 1;
+				pnp_attached = true;
 			}
 			if (!request_region(io, 2, "radio-sf16fmi")) {
 				if (pnp_attached)
@@ -349,7 +349,7 @@
 	mutex_init(&fmi->lock);
 
 	/* mute card and set default frequency */
-	fmi->mute = 1;
+	fmi->mute = true;
 	fmi->curfreq = RSF16_MINFREQ;
 	fmi_set_freq(fmi);