[MIPS,MIPS64] Cherry-pick asm/reg.h file from bionic

Adding asm/reg.h into platform 21 for MIPS and MIPS64.

Change-Id: If2ed77607a01463657d443c088728521483f3005
2 files changed
tree: c481b6ef5d18dc032744db07e2f89c5cb3627464
  1. 4/
  2. 5/
  3. 6/
  4. 7/
  5. 8/
  6. 9/
  7. Android.mk
  8. CleanSpec.mk