Add tps6507x touchscreen DT node to da850-evm.
Touchscreen DT data is added as per da850 board file.

Tested on da850-evm.

Signed-off-by: Vishwanathrao Badarkhe, Manish <redacted>
---
Changes since V2:
 - Updated names of devicetree properties.
Changes since V1:
 - Updated commit message.

:100644 100644 c914357... 1ca1691... M	arch/arm/boot/dts/da850-evm.dts
 arch/arm/boot/dts/da850-evm.dts |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
index c914357..1ca1691 100644
--- a/arch/arm/boot/dts/da850-evm.dts
+++ b/arch/arm/boot/dts/da850-evm.dts

@@ -155,4 +155,13 @@
 			regulator-boot-on;
 		};
 	};
+
+	tsc {
+		ti,poll-period = <30>;
+		ti,min-pressure = <0x30>;
+		ti,vref = <0>;
+		ti,vendor = <0>;
+		ti,product = <65070>;
+		ti,version = <0x100>;
+	};
 };

-- 
1.7.4.1