ARM: S5PC11X: improve USB signal quality

Tunning of PHY0 Tune Register to improve physical characteristics.
This improves the margin of USB eye diagram, which means
the quality of USB signal is also improved.

Change-Id: I4489a314ea9321ea9e17ddd29873ae304ea30caf
Use cpio-in-initramfs first stage init
add param.bz2