tegra: split up DEVICE_TITLE

Splits up DEVICE_TITLE into DEVICE_VENDOR, DEVICE_MODEL and DEVICE_VARIANT.

Signed-off-by: Moritz Warning <[email protected]>

target/linux/tegra/image/Makefile

@@ -47,7 +47,8 @@ define Device/Default
 endef
 
 define Device/compulab_trimslice
-  DEVICE_TITLE := CompuLab TrimSlice
+  DEVICE_VENDOR := CompuLab
+  DEVICE_MODEL := TrimSlice
   DEVICE_DTS := tegra20-trimslice
   DEVICE_PACKAGES := kmod-r8169 kmod-rt2800-usb kmod-rtc-em3027 \
 	kmod-usb-storage wpad-mini