Bug 1087918: Rebuild kernels for arm, armv7, and x86

Source: https://github.com/mozilla-b2g/kernel_goldfish
Commit: 372615d33da2b0c4266007babaa52064c961f9e5
Merge pull request #12 from tdz/bug-1087918

Bug 1087918: Rebuild kernels for arm, armv7, and x86