spi: offload: types: include linux/bits.h

Add #include <linux/bits.h> to linux/spi/offload/types.h since this
file uses the BIT macro.

Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250210-spi-offload-extra-headers-v1-1-0f3356362254@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>

include/linux/spi/offload/types.h

@@ -7,6 +7,7 @@
 #ifndef __LINUX_SPI_OFFLOAD_TYPES_H
 #define __LINUX_SPI_OFFLOAD_TYPES_H
 
+#include <linux/bits.h>
 #include <linux/types.h>
 
 struct device;