jtag/hla_layout: add #include <target/arm_tpiu_swo.h>

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>

src/jtag/hla/hla_layout.h

@@ -23,6 +23,7 @@
 #define OPENOCD_JTAG_HLA_HLA_LAYOUT_H
 
 #include <target/armv7m_trace.h>
+#include <target/arm_tpiu_swo.h>
 
 /** */
 struct hl_interface_s;