dt-bindings: arm: bcm: unify version notation of Northstar devices

Always use a minus/hyphen char to separate model from version. This
unifies binding's "compatible" strings.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230520112601.11821-1-zajec5@gmail.com
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>

Documentation/devicetree/bindings/arm/bcm/brcm,bcm4708.yaml

@@ -28,10 +28,10 @@ properties:
               - buffalo,wzr-1750dhp
               - linksys,ea6300-v1
               - linksys,ea6500-v2
-              - luxul,xap-1510v1
+              - luxul,xap-1510-v1
               - luxul,xwc-1000
-              - netgear,r6250v1
-              - netgear,r6300v2
+              - netgear,r6250-v1
+              - netgear,r6300-v2
               - smartrg,sr400ac
               - brcm,bcm94708
           - const: brcm,bcm4708
@@ -42,8 +42,8 @@ properties:
               - asus,rt-n18u
               - buffalo,wzr-600dhp2
               - buffalo,wzr-900dhp
-              - luxul,xap-1410v1
-              - luxul,xwr-1200v1
+              - luxul,xap-1410-v1
+              - luxul,xwr-1200-v1
               - tplink,archer-c5-v2
           - const: brcm,bcm47081
           - const: brcm,bcm4708
@@ -72,7 +72,7 @@ properties:
               - luxul,xap-1610-v1
               - luxul,xbr-4500-v1
               - luxul,xwc-2000-v1
-              - luxul,xwr-3100v1
+              - luxul,xwr-3100-v1
               - luxul,xwr-3150-v1
               - netgear,r8500
               - phicomm,k3