Remove EGL dependency on LLVM.
Remove EGL dependency on LLVM.

EGL does not and should not depend on LLVM.

Change-Id: I36ef1d67e67cdf7625ca8c1a6f1bf3214c39ee4c
Reviewed-on: https://swiftshader-review.googlesource.com/9611
Reviewed-by: Nicolas Capens <0612353e1fcebbfd4b302d9337447ca0cdfa9122@google.com>
Tested-by: Nicolas Capens <0612353e1fcebbfd4b302d9337447ca0cdfa9122@google.com>

bkaradzic/SwiftShader,google/swiftshader,google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader