nb/intel/i945/rcven.c: Correct comment

The offset between registers has to be between different channels.

Change-Id: Ic6d959c31c78073a3ecbf7a17dfb73ac36340599
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42284
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>

src/northbridge/intel/i945/rcven.c

@@ -253,7 +253,7 @@ static int find_strobes_edge(int channel_offset, u8 *mediumcoarse, u8 *fine,
 }
 
 /**
- * Here we use a trick. The RCVEN channel 0 registers are all at an
+ * Here we use a trick. The RCVEN channel 1 registers are all at an
  * offset of 0x80 to the channel 0 registers. We don't want to waste
  * a lot of if ()s so let's just pass 0 or 0x80 for the channel offset.
  */