configs: bcmstb: Disable networking support

Silence the "Driver Model for Ethernet drivers" migration warning for
the bcm7445 and bcm7260 ports, neither of which supports networking yet.
Signed-off-by: NThomas Fitzsimmons <fitzsim@fitzsim.org>
Reviewed-by: NTom Rini <trini@konsulko.com>

configs/bcm7260_defconfig

@@ -27,6 +27,7 @@ CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+# CONFIG_NET is not set
 CONFIG_DM_MMC=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_BCMSTB=y

configs/bcm7445_defconfig

@@ -28,6 +28,7 @@ CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+# CONFIG_NET is not set
 CONFIG_DM_MMC=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_BCMSTB=y