[M40] Force define DL_ARM_NEON_OPTIONAL to bypass mobile/tv build break in M40.
[M40] Force define DL_ARM_NEON_OPTIONAL to bypass mobile/tv build break in M40.

In M40, mobile build failed due to undefined omxSP_FFTInv_CCSToR_F32_vfp
in src/third_party/openmax_dl/dl/sp/api/omxSP.h:2558. The seleciton of the
API is affected by compilation flag DL_ARM_NEON_OPTIONAL.
This patch defines DL_ARM_NEON_OPTIONAL by force for Tizen mobile/tv build.

Note that a commit "2cc824e fixup! Fix Android build with profiling=1"
pushed to s-chromium by the trunk merge team seems to resolve the issue
for Android, but not enough for Tizen.

Bug: http://107.108.218.239/bugzilla/show_bug.cgi?id=8410
Reviewed by: Antonio Gomes, Kangil Han, Piotr Tworek, Tomasz Olszak, mohan reddy

Change-Id: If2f79782246a984b02264ffa21608040c25e695c
Signed-off-by: SeungSeop Park <b1daf1376d8519a8b8c8fffae946cd3d32e9282a@samsung.com>

crosswalk-project/chromium-efl,crosswalk-project/chromium-efl,hgl888/chromium-efl,hgl888/chromium-efl,crosswalk-project/chromium-efl,hgl888/chromium-efl,hgl888/chromium-efl,crosswalk-project/chromium-efl,hgl888/chromium-efl