* Qualcomm MSM JPEG

Required properties:
- cell-index: jpeg hardware core index
- compatible :
    - "qcom,jpeg"
    - "qcom,jpeg_dma"
- reg : offset and length of the register set of jpeg device and vbif device
    for the jpeg operating in compatible mode.
- reg-names : should specify relevant names to each reg property defined.
- interrupts : should contain the jpeg interrupt.
- interrupt-names : should specify relevant names to each interrupts
  property defined.
- clock-names : names of clocks required for the device.
- clocks : clocks required for the device.
- qcom, clock-rates: rates of the required clocks.
- vdd-supply: phandle to GDSC regulator controlling JPEG core.

Example:

   qcom,jpeg@0xfda20000 {
       cell-index = <0>;
       compatible = "qcom,jpeg";
       reg = <0xfda20000 0x400>;
       reg-names = "jpeg";
       interrupts = <0 60 0>;
       interrupt-names = "jpeg";
       clock-names =  "core_clk", "iface_clk", "bus_clk0", "camss_top_ahb_clk",
              "camss_ahb_clk";
       clocks = <&clock_mmss clk_camss_jpeg_jpeg1_clk>,
              <&clock_mmss clk_camss_jpeg_jpeg_ahb_clk>,
              <&clock_mmss clk_camss_jpeg_jpeg_axi_clk>,
              <&clock_mmss clk_camss_top_ahb_clk>,
              <&clock_mmss clk_camss_ahb_clk>;
       qcom,clock-rates = <266670000 0 0 0 0>;

       vdd-supply = <&gdsc_jpeg>;
   };

   qcom,jpeg@fdaa0000 {
       cell-index = <3>;
       compatible = "qcom,jpeg_dma";
       reg = <0xfdaa0000 0x400>,
           <0xfda60000 0xc30>;
       reg-names = "jpeg";
       interrupts = <0 304 0>;
       interrupt-names = "jpeg";
       vdd-supply = <&gdsc_jpeg>;
       clock-names =  "core_clk", "iface_clk", "bus_clk0", "camss_top_ahb_clk",
               "camss_ahb_clk";
       clocks = <&clock_mmss clk_camss_jpeg_dma_clk>,
               <&clock_mmss clk_camss_jpeg_jpeg_ahb_clk>,
               <&clock_mmss clk_camss_jpeg_jpeg_axi_clk>,
               <&clock_mmss clk_camss_top_ahb_clk>,
               <&clock_mmss clk_camss_ahb_clk>;
       qcom,clock-rates = <266670000 0 0 0 0>;

   };
