hla_layout.h uses explicitly tpiu_pin_protocol enum defined in
arm_tpiu_swo.h.
To make this header file consistent, add the missing include.
Change-Id: Ibecc279da8d6859ced2b8377e812554c747d81bb
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6687
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>