V4L/DVB (7514): media/dvb/frontends replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/frontends/bcm3510.c b/drivers/media/dvb/frontends/bcm3510.c
index a913f49..d268e65 100644
--- a/drivers/media/dvb/frontends/bcm3510.c
+++ b/drivers/media/dvb/frontends/bcm3510.c
@@ -91,7 +91,7 @@
 	if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) {
 
 		deb_info("%s: i2c write error (addr %02x, reg %02x, err == %i)\n",
-			__FUNCTION__, state->config->demod_address, reg,  err);
+			__func__, state->config->demod_address, reg,  err);
 		return -EREMOTEIO;
 	}
 
@@ -110,7 +110,7 @@
 
 	if ((err = i2c_transfer (state->i2c, msg, 2)) != 2) {
 		deb_info("%s: i2c read error (addr %02x, reg %02x, err == %i)\n",
-			__FUNCTION__, state->config->demod_address, reg,  err);
+			__func__, state->config->demod_address, reg,  err);
 		return -EREMOTEIO;
 	}
 	deb_i2c("i2c rd %02x: ",reg);