powerpc/fsl: update compatiable on fsl 16550 uart nodes

The Freescale serial port's are pretty much a 16550, however there are
some FSL specific bugs and features.  Add a "fsl,ns16550" compatiable
string to allow code to handle those FSL specific issues.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/powerpc/boot/dts/fsl/qoriq-duart-1.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-duart-1.dtsi
index cf1a0acb40a0..d23233a56b91 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-duart-1.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-duart-1.dtsi
@@ -35,7 +35,7 @@
 serial2: serial@11d500 {
         cell-index = <2>;
         device_type = "serial";
-        compatible = "ns16550";
+        compatible = "fsl,ns16550", "ns16550";
         reg = <0x11d500 0x100>;
         clock-frequency = <0>;
         interrupts = <37 2 0 0>;
@@ -44,7 +44,7 @@ serial2: serial@11d500 {
 serial3: serial@11d600 {
         cell-index = <3>;
         device_type = "serial";
-        compatible = "ns16550";
+        compatible = "fsl,ns16550", "ns16550";
         reg = <0x11d600 0x100>;
         clock-frequency = <0>;
         interrupts = <37 2 0 0>;