fix: usb: msys_ac3: usb2 UTMI Phy optimizations after ETP

	Electrical tests on the AC3 revealed 2 USB2 problems:
	- violation of the high limit of the low speed amplitude
	- squelch level  was too high in High speed mode

	Solution:
	-don't use the default values, reduce  the drive strength and the
	 squelch level

Change-Id: I1796b601ccf16513c8204e800e53b6f4d11a34c3
Signed-off-by: Margarita Granov <margra@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/19800
Tested-by: Star_Automation <star@marvell.com>
Reviewed-by: Omri Itach <omrii@marvell.com>
1 file changed