[U-Boot] [PATCH v5 04/20] tegra: tegra124: Add a PMC syscon driver

[sjg at google.com]

The PMC can be modelled as a syscon peripheral. Add a driver for this
so that it can be accessed by drivers when needed. Enable it for tegra124
boards.

Signed-off-by: Simon Glass <sjg at chromium.org>
Tested-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>
Tested-on: Beaver, Jetson-TK1
---

Changes in v5: None
Changes in v4: None
Changes in v3:
- Update commit message, enable for all tegra124 boards not just nyan-big

Changes in v2: None

 arch/arm/include/asm/arch-tegra/tegra.h |  5 +++++
 arch/arm/mach-tegra/Kconfig             |  2 ++
 arch/arm/mach-tegra/tegra124/Makefile   |  1 +
 arch/arm/mach-tegra/tegra124/pmc.c      | 19 +++++++++++++++++++
 4 files changed, 27 insertions(+)
 create mode 100644 arch/arm/mach-tegra/tegra124/pmc.c

Applied to u-boot-dm, thanks!