riscv: defconfigs: enable debugfs

debugfs is broadly useful, so enable it in the RISC-V defconfigs.

Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>

arch/riscv/configs/defconfig

@@ -100,4 +100,5 @@ CONFIG_9P_FS=y
 CONFIG_CRYPTO_USER_API_HASH=y
 CONFIG_CRYPTO_DEV_VIRTIO=y
 CONFIG_PRINTK_TIME=y
+CONFIG_DEBUG_FS=y
 # CONFIG_RCU_TRACE is not set

arch/riscv/configs/rv32_defconfig

@@ -97,4 +97,5 @@ CONFIG_9P_FS=y
 CONFIG_CRYPTO_USER_API_HASH=y
 CONFIG_CRYPTO_DEV_VIRTIO=y
 CONFIG_PRINTK_TIME=y
+CONFIG_DEBUG_FS=y
 # CONFIG_RCU_TRACE is not set