dt: Alter alias names from _ to - for drm_fbN_* overrides

Fixes: 61b138a ("dt: Add overrides for drm framebuffer allocations on Pi5")
Signed-off-by: Dave Stevenson <[email protected]>

arch/arm/boot/dts/bcm2712-rpi-5-b.dts

@@ -824,17 +824,17 @@ spi10_cs_pins: &spi10_cs_gpio1 {};
 		act_led_trigger = <&act_led>, "linux,default-trigger";
 		pwr_led_activelow = <&pwr_led>, "gpios:8";
 		pwr_led_trigger = <&pwr_led>, "linux,default-trigger";
-		drm_fb0_rp1_dsi0 = <&aliases>, "drm_fb0=",&dsi0;
-		drm_fb0_rp1_dsi1 = <&aliases>, "drm_fb0=",&dsi1;
-		drm_fb0_rp1_dpi = <&aliases>, "drm_fb0=",&dpi;
-		drm_fb0_vc4 = <&aliases>, "drm_fb0=",&vc4;
-		drm_fb1_rp1_dsi0 = <&aliases>, "drm_fb1=",&dsi0;
-		drm_fb1_rp1_dsi1 = <&aliases>, "drm_fb1=",&dsi1;
-		drm_fb1_rp1_dpi = <&aliases>, "drm_fb1=",&dpi;
-		drm_fb1_vc4 = <&aliases>, "drm_fb1=",&vc4;
-		drm_fb2_rp1_dsi0 = <&aliases>, "drm_fb2=",&dsi0;
-		drm_fb2_rp1_dsi1 = <&aliases>, "drm_fb2=",&dsi1;
-		drm_fb2_rp1_dpi = <&aliases>, "drm_fb2=",&dpi;
-		drm_fb2_vc4 = <&aliases>, "drm_fb2=",&vc4;
+		drm_fb0_rp1_dsi0 = <&aliases>, "drm-fb0=",&dsi0;
+		drm_fb0_rp1_dsi1 = <&aliases>, "drm-fb0=",&dsi1;
+		drm_fb0_rp1_dpi = <&aliases>, "drm-fb0=",&dpi;
+		drm_fb0_vc4 = <&aliases>, "drm-fb0=",&vc4;
+		drm_fb1_rp1_dsi0 = <&aliases>, "drm-fb1=",&dsi0;
+		drm_fb1_rp1_dsi1 = <&aliases>, "drm-fb1=",&dsi1;
+		drm_fb1_rp1_dpi = <&aliases>, "drm-fb1=",&dpi;
+		drm_fb1_vc4 = <&aliases>, "drm-fb1=",&vc4;
+		drm_fb2_rp1_dsi0 = <&aliases>, "drm-fb2=",&dsi0;
+		drm_fb2_rp1_dsi1 = <&aliases>, "drm-fb2=",&dsi1;
+		drm_fb2_rp1_dpi = <&aliases>, "drm-fb2=",&dpi;
+		drm_fb2_vc4 = <&aliases>, "drm-fb2=",&vc4;
 	};
 };