arm: tegra: configs: Add GPIO regulator support

Enable CONFIG_GPIO_REGULATOR for Tegra3 platforms.

Bug 982788

Change-Id: I17587447013fdde6dc58b4fbf23f0ca37faa3dc5
Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com>
Reviewed-on: http://git-master/r/101968
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
arm: enterprise: power: Fix sdmmc3 regulator entry

Register vdio_sdmmc3 supply with a valid device id
instead of NULL.

Bug 982788

Change-Id: Ie19d8a48b381190e8f966928a785af0f51794cb1
Signed-off-by: Pavan Kunapuli <pkunapuli@nvidia.com>
Reviewed-on: http://git-master/r/101971
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
ARM: tegra: Enable TXFILLTUNING for all USB interfaces

As per recommendation from ASIC team, Setting TXFILLTUNNING to 0x10
for all USB interfaces.

bug 974507

Change-Id: Id2ee26927e56bf500a0fed2a414b74ffab157403
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Reviewed-on: http://git-master/r/99629
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
ARM: tegra: Pinmux conflict correction

Corrected Mux option for LPW2

Bug 920686

Change-Id: I1e93a28c070ca7689c305d84ed8664c3f170bfcb
Signed-off-by: Ashwini Ghuge <aghuge@nvidia.com>
Reviewed-on: http://git-master/r/101959
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User