dts: arm/riscv: gigadevice: s/gigadevice/gd

To stay consistent with other vendors, use vendor prefix (gd).

Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>
diff --git a/CODEOWNERS b/CODEOWNERS
index af2cb6c..46b71ef 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -419,7 +419,7 @@
 /dts/arm/atmel/                           @galak
 /dts/arm/broadcom/                        @sbranden
 /dts/arm/cypress/                         @ifyall @npal-cy
-/dts/arm/gigadevice/                      @nandojve
+/dts/arm/gd/                              @nandojve
 /dts/arm/infineon/xmc4*                   @parthitce @ifyall @npal-cy
 /dts/arm/infineon/psoc6/                  @ifyall @npal-cy
 /dts/arm64/armv8-r.dtsi                   @povergoing