i2c: pasemi: Use correct bits.h include

When changing the #defines to use BIT and GENMASK the bitfield.h include
was added instead of the correct bits.h include.

Reported-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Link: https://lore.kernel.org/r/20250415-pasemi-fixes-v2-1-c543bf53151a@svenpeter.dev
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>

Author: svenpeter42

drivers/i2c/busses/i2c-pasemi-core.c

@@ -5,7 +5,7 @@
  * SMBus host driver for PA Semi PWRficient
  */
 
-#include <linux/bitfield.h>
+#include <linux/bits.h>
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>