loader: simplify MMU enabling code

*** 99,112 ****
           * We first make sure that the ARMv6 pages are enabled (bit 23) and then
           * enable the MMU (bit 0).
           */
          ENTRY(fakeload_mmu_enable)
          mrc     p15, 0, r0, c1, c0, 0
!         orr     r0, #0x800000
!         mcr     p15, 0, r0, c1, c0, 0
!         mrc     p15, 0, r0, c1, c0, 0
!         orr     r0, #0x1
          mcr     p15, 0, r0, c1, c0, 0
          bx      lr
          SET_SIZE(fakeload_mmu_enable)
  #endif  /* __lint */
  
--- 99,110 ----
           * We first make sure that the ARMv6 pages are enabled (bit 23) and then
           * enable the MMU (bit 0).
           */
          ENTRY(fakeload_mmu_enable)
          mrc     p15, 0, r0, c1, c0, 0
!         orr     r0, #0x800000           /* enable ARMv6 pages */
!         orr     r0, #0x1                /* enable MMU */
          mcr     p15, 0, r0, c1, c0, 0
          bx      lr
          SET_SIZE(fakeload_mmu_enable)
  #endif  /* __lint */