i2c: Replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/busses/i2c-pmcmsp.c b/drivers/i2c/busses/i2c-pmcmsp.c
index b03af56..9ea0f8a 100644
--- a/drivers/i2c/busses/i2c-pmcmsp.c
+++ b/drivers/i2c/busses/i2c-pmcmsp.c
@@ -467,7 +467,7 @@
 	    (cmd->read_len == 0 || cmd->write_len == 0))) {
 		dev_err(&pmcmsptwi_adapter.dev,
 			"%s: Cannot transfer less than 1 byte\n",
-			__FUNCTION__);
+			__func__);
 		return -EINVAL;
 	}
 
@@ -475,7 +475,7 @@
 	    cmd->write_len > MSP_MAX_BYTES_PER_RW) {
 		dev_err(&pmcmsptwi_adapter.dev,
 			"%s: Cannot transfer more than %d bytes\n",
-			__FUNCTION__, MSP_MAX_BYTES_PER_RW);
+			__func__, MSP_MAX_BYTES_PER_RW);
 		return -EINVAL;
 	}