re-add brcm2708-bcm2710 for raspi 4 support

After we can now build with BROKEN, the build for raspi4 should work.

.gitlab-ci.yml

@@ -91,6 +91,12 @@ target:brcm2708-bcm2709:
   variables:
     GLUON_TARGET: brcm2708-bcm2709
  
+target:brcm2708-bcm2710:
+  extends: .target
+  variables:
+    GLUON_TARGET: brcm2708-bcm2710
+    BROKEN: 1
+ 
 target:ipq40xx-generic:
   extends: .target
   variables:

buildall.sh

@@ -12,6 +12,7 @@ TARGETS=(
     ath79-generic
     brcm2708-bcm2708
     brcm2708-bcm2709
+    brcm2708-bcm2710
     ipq40xx-generic
     ipq806x-generic
     lantiq-xrx200