defconfigs: Remove vestigial RTL8712 config usage

Commit [1] removes the driver and config symbol for the RTL8712. Drop
the references to it in our defconfigs.

[1] bccf7c5 ("staging: rtl8712: Remove driver using deprecated API
    wext")

Signed-off-by: Phil Elwell <phil@raspberrypi.com>

Author: pelwell

arch/arm/configs/bcm2709_defconfig

@@ -1386,7 +1386,6 @@ CONFIG_DMABUF_HEAPS_CMA=y
 CONFIG_UIO=m
 CONFIG_UIO_PDRV_GENIRQ=m
 CONFIG_STAGING=y
-CONFIG_R8712U=m
 CONFIG_VT6656=m
 CONFIG_STAGING_MEDIA=y
 CONFIG_STAGING_MEDIA_DEPRECATED=y

arch/arm/configs/bcm2711_defconfig

@@ -1430,7 +1430,6 @@ CONFIG_DMABUF_HEAPS_CMA=y
 CONFIG_UIO=m
 CONFIG_UIO_PDRV_GENIRQ=m
 CONFIG_STAGING=y
-CONFIG_R8712U=m
 CONFIG_VT6656=m
 CONFIG_STAGING_MEDIA=y
 CONFIG_STAGING_MEDIA_DEPRECATED=y

arch/arm/configs/bcmrpi_defconfig

@@ -1378,7 +1378,6 @@ CONFIG_DMABUF_HEAPS_CMA=y
 CONFIG_UIO=m
 CONFIG_UIO_PDRV_GENIRQ=m
 CONFIG_STAGING=y
-CONFIG_R8712U=m
 CONFIG_VT6656=m
 CONFIG_STAGING_MEDIA=y
 CONFIG_STAGING_MEDIA_DEPRECATED=y

arch/arm64/configs/bcm2711_defconfig

@@ -1495,7 +1495,6 @@ CONFIG_VHOST_NET=m
 CONFIG_VHOST_VSOCK=m
 CONFIG_VHOST_CROSS_ENDIAN_LEGACY=y
 CONFIG_STAGING=y
-CONFIG_R8712U=m
 CONFIG_VT6656=m
 CONFIG_STAGING_MEDIA=y
 CONFIG_STAGING_MEDIA_DEPRECATED=y

arch/arm64/configs/bcm2711_rt_defconfig

@@ -1494,7 +1494,6 @@ CONFIG_VHOST_NET=m
 CONFIG_VHOST_VSOCK=m
 CONFIG_VHOST_CROSS_ENDIAN_LEGACY=y
 CONFIG_STAGING=y
-CONFIG_R8712U=m
 CONFIG_VT6656=m
 CONFIG_STAGING_MEDIA=y
 CONFIG_STAGING_MEDIA_DEPRECATED=y

arch/arm64/configs/bcm2712_defconfig

@@ -1497,7 +1497,6 @@ CONFIG_VHOST_NET=m
 CONFIG_VHOST_VSOCK=m
 CONFIG_VHOST_CROSS_ENDIAN_LEGACY=y
 CONFIG_STAGING=y
-CONFIG_R8712U=m
 CONFIG_VT6656=m
 CONFIG_STAGING_MEDIA=y
 CONFIG_STAGING_MEDIA_DEPRECATED=y