main/libjpeg-turbo: fix build under ppc64le
We hooked the gdb and this shows the altivec code has failing into the pp64le, we decide to avoid this option on environment to fix in time for the next version of Alpine 3.13.
Signed-off-by: Gustavo L F Walbon gwalbon@linux.ibm.com
Edited by Gustavo Walbon