TX27:
- workaround for MPLL restart problem in i.MX27 date code 1230
and newer (see /Documentation/TX27PCN2012-09.pdf).
- wait after enabling wdt clock in HAL_PLATFORM_RESET() to
prevent possible hang in 'reset' command.
- fix trampoline code change for archs that use the default
CYGARC_HAL_MMU_OFF macro.
- [DH] packages/hal/arm/mx27/karo/v1_0/cdl/hal_arm_tx27.cdl
- [DH] packages/hal/arm/mx27/karo/v1_0/include/hal_platform_setup.h
- [DH] packages/hal/arm/mx27/var/v2_0/include/hal_soc.h
- [DH] packages/hal/arm/mx27/var/v2_0/include/hal_var_ints.h