Cherry-pick upstream fixes for create_pbl

Otherwise, we have build failures on OBS:

[  213s] Wall -Werror -pedantic -std=c99 -g -O0 -DDEBUG -DVERSION='"v2.12.1(debug):"' -D_GNU_SOURCE -D_XOPEN_SOURCE=700  -c -o create_pbl.o create_pbl.c
[  213s] make[3]: Wall: No such file or directory
[  213s] make[3]: [<builtin>: create_pbl.o] Error 127 (ignored)
[  213s] Wall -Werror -pedantic -std=c99 -g -O0 -DDEBUG -DVERSION='"v2.12.1(debug):"' -D_GNU_SOURCE -D_XOPEN_SOURCE=700  -c -o byte_swap.o byte_swap.c
[  213s] make[3]: Wall: No such file or directory
[  213s] make[3]: [<builtin>: byte_swap.o] Error 127 (ignored)

Fix: infrastructure/apertis-issues#822 (closed)

Cherry-picking two upstream fixes:

• https://github.com/ARM-software/arm-trusted-firmware/commit/634c7d8172b7965cf4f5d7d6470a25956ac06ab4
• https://github.com/ARM-software/arm-trusted-firmware/commit/bfe7f8018947a960c287f6d8f5ac1efece7261b4

Signed-off-by: Dylan Aïssi dylan.aissi@collabora.com