Merge tag 'amlogic-clk-headers' into v4.12/dt64

Amlogic clock headers and DT binding updates for v4.12
- add clocks for I2S and Mali

# gpg: Signature made Tue Apr  4 16:07:50 2017 PDT using RSA key ID D3FBC665
# gpg: Good signature from "Kevin Hilman <khilman@kernel.org>" [ultimate]
# gpg:                 aka "Kevin Hilman <khilman@deeprootsystems.com>" [ultimate]
# gpg:                 aka "Kevin Hilman <khilman@gmail.com>" [ultimate]
# gpg:                 aka "Kevin Hilman <khilman@baylibre.com>" [ultimate]

* tag 'amlogic-clk-headers':
  dt-bindings: clock: gxbb-clkc: Add GXL compatible variant
  clk: meson-gxbb: Expose GP0 dt-bindings clock id
  clk: meson-gxbb: Add MALI clock IDS
  dt-bindings: clk: gxbb: expose i2s output clock gates