ARM: dts: href: Mount matrices for TVK R2

This adds the proper mounting matrices for the TVK R2 board.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/ste-href-tvk1281618-r2.dtsi

@@ -104,6 +104,9 @@ accelerometer@18 {
 				 * <&gpio1 0 IRQ_TYPE_EDGE_FALLING>,
 				 * <&gpio2 19 IRQ_TYPE_EDGE_FALLING>;
 				 */
+				mount-matrix = "0", "1", "0",
+					       "1", "0", "0",
+					       "0", "0", "-1";
 			};
 			magnetometer@1e {
 				/* Magnetometer */
@@ -136,6 +139,9 @@ accelerometer@1c {
 				/* INT2 would need to be open drain */
 				interrupts = <18 IRQ_TYPE_EDGE_RISING>,
 					     <19 IRQ_TYPE_EDGE_RISING>;
+				mount-matrix = "0", "-1", "0",
+					       "-1", "0", "0",
+					       "0", "0", "-1";
 			};
 			magnetometer@f {
 				/* Magnetometer */