arm: mvebu: turris_mox: Enable NVMe support

NVMe drives can be connected to Turris MOX via MOX B and MOX G
extensions.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/configs/turris_mox_defconfig b/configs/turris_mox_defconfig
index 27a5179..f938fbb 100644
--- a/configs/turris_mox_defconfig
+++ b/configs/turris_mox_defconfig
@@ -61,6 +61,7 @@
 CONFIG_PHY_MARVELL=y
 CONFIG_PHY_GIGE=y
 CONFIG_MVNETA=y
+CONFIG_NVME=y
 CONFIG_PCI=y
 CONFIG_DM_PCI=y
 CONFIG_PCI_AARDVARK=y