semc/msm7x30: Fix execution of pre_hw_config.sh (1/2)

pre_hw_config.sh should be executed on init before we enable the leds/keyboard backlight for recovery boot indication.
This change is needed after the new 2 stage boot method

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: Ic67fc2a9d75d4192018ab9e040ad9419401e619f