treewide: Include linux/io.h instead of asm-generic/io.h

Directly including asm-generic/io.h may break build because it will
cause redefenition of generic io macros if linux/io.h gets included
later, hence replace it with direct include of linux/io.h

Signed-off-by: Igor Prusov <ivprusov@salutedevices.com>

drivers/usb/cdns3/cdns3-ti.c

@@ -6,7 +6,6 @@
  */
 
 #include <common.h>
-#include <asm-generic/io.h>
 #include <clk.h>
 #include <dm.h>
 #include <dm/device_compat.h>