dt-bindings: Add Infineon TLV493D-A1B6

The Infineon TLV493D-A1B6 is an I2C-based 3D Magnetic Sensor.

Cc: Marius Tarcatu <marius.tarcatu@infineon.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/trivial-devices.txt

@@ -63,6 +63,7 @@ fsl,sgtl5000		SGTL5000: Ultra Low-Power Audio Codec
 gmt,g751		G751: Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface
 infineon,slb9635tt	Infineon SLB9635 (Soft-) I2C TPM (old protocol, max 100khz)
 infineon,slb9645tt	Infineon SLB9645 I2C TPM (new protocol, max 400khz)
+infineon,tlv493d-a1b6	Infineon TLV493D-A1B6 I2C 3D Magnetic Sensor
 isil,isl1208		Intersil ISL1208 Low Power RTC with Battery Backed SRAM
 isil,isl1218		Intersil ISL1218 Low Power RTC with Battery Backed SRAM
 isil,isl12022		Intersil ISL12022 Real-time Clock