Merge pull request #2338 from kavanabhat/aix_mod

Changes to build on AIX in POWER8 mode

diff --cc common_power.h
Simple merge

diff --cc kernel/Makefile.L3
Simple merge

diff --cc kernel/power/dgemv_t.c
Simple merge

diff --cc kernel/power/idamax.c
Simple merge

diff --cc kernel/power/idamin.c
Simple merge

diff --cc kernel/power/izamax.c
Simple merge

diff --cc kernel/power/izamin.c
Simple merge