power: smb1398: Update the max-ilim current settings

Update the max current limit configuration as per the
hardware capability.

	- max-lim for master only config - 5A
	- max-ilim for master and slave config - 10A

While at it, update the min-ilim setting to 750mA as per
the hardware recommendation.

Change-Id: I08793aafd0b416a597c3b51afff4ef624129f731
Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>