arm: tegra: grouper: governor: change governor using cpufreq interface
Older code sets "conservative" governor in early-suspend
using sysfs entries.This implementation changes governor
in early-suspend using cpufreq interfaces.

bug 871958
arm: tegra: grouper: Update pinmux setting for nct alert
Set KB_ROW11 pin to default PULL_UP to fix
the excessive interrupts from nct alert.

Bug 973536
arm: tegra: grouper: disable the always-on flag of modem regulator
Disable the always-on flag of modem regulator so the regulator is possilbe
to be powered off.

bug 966960
ARM: tegra: grouper: cleanup wake header usage
Removed unused wake header file from Tegra board files

bug 980993
arm: tegra: grouper: fix power down sequence fps/ame
Fix power down sequence to align with POR. FPS, GPIO and
AME part.

LDO4 tracking is not disabled.

Affcted regs:

FPS_SD3
FPS_SD2
FPS_SD1
FPS_L4
FPS_L3
AME_GPIO
GPIO3
GPIO4
CNFG1_L4
CNFG1SD0
CNFG1SD1

Bug 1001267
arm: tegra: grouper: fix time does not increase in lp0
time does not increase in LP0 because GPIO4 is configured as POR.
Change to active_low and pull push to fix the issue.

Bug 1014548
arm: tegra: grouper: Correct tap delay for all T30 sdhci controllers
Tap delay value of 0x0F is recommended by HW team

Bug 911075