staging: rts5208: Remove RTSX_READ_REG and RTSX_WRITE_REG macros

Macros with hidden flow control are bad form as the code path
taken can be unexpected for the reader.

Expand these in-place and remove the macros.

Done with coccinelle script:

@@
expression chip;
expression arg1;
expression arg2;
expression arg3;
@@

-	RTSX_WRITE_REG(chip, arg1, arg2, arg3);
+	retval = rtsx_write_register(chip, arg1, arg2, arg3);
+	if (retval) {
+		rtsx_trace(chip);
+		return retval;
+	}

@@
expression chip;
expression arg1;
expression arg2;
@@

-	RTSX_READ_REG(chip, arg1, arg2);
+	retval = rtsx_read_register(chip, arg1, arg2);
+	if (retval) {
+		rtsx_trace(chip);
+		return retval;
+	}

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>