Eanble warning of large stack size
Eanble warning of large stack size

This commit adds a compiler flag to gcc to warn stack size greater
than 300Kbytes.

Change-Id: I4bd0680de435373fc46bfd8d5b80a610dbaddad8

smarter/aom,luctrudeau/aom,GrokImageCompression/aom,GrokImageCompression/aom,luctrudeau/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,luctrudeau/aom,smarter/aom,smarter/aom,luctrudeau/aom,smarter/aom,luctrudeau/aom,smarter/aom,smarter/aom,GrokImageCompression/aom,luctrudeau/aom