CODEOWNERS: add myself

Signed-off-by: Robert Eckelmann <longnoserob@postmarketos.org>

CODEOWNERS

@@ -90,6 +90,7 @@ device/*/device-samsung-lt01/			@knuxify
 device/*/device-samsung-m0/			@Newbyte
 device/*/device-samsung-manta/			@jenneron @alexmrqt
 device/*/device-shift-axolotl/			@amartinz @calebccff @dylanvanassche
+device/*/device-solidrun-cubox/			@longnoserob
 device/*/firmware-google-sargo/			@flamingradian
 device/*/firmware-google-veyron-brcm/		@jenneron
 device/*/firmware-odroid-xu4/			@Grimler
@@ -119,6 +120,7 @@ device/*/linux-samsung-chagallwifi/		@Grimler
 device/*/linux-samsung-coreprimevelte/		@legolivesmatter @balejk
 device/*/linux-samsung-j5y17lte/	@andrisas
 device/*/linux-samsung-klimtlte/		@Grimler
+device/*/linux-solidrun-cubox/			@longnoserob
 device/*/oem-amd/				@craftyguy
 device/*/oem-intel/				@craftyguy
 device/*/oem-nvidia/				@craftyguy