[openwrt/openwrt] ath79: tiny: enable NVMEM u-boot-env driver

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/9a6c1846bb40879fccf42070ec3bf4daa9732e93

commit 9a6c1846bb40879fccf42070ec3bf4daa9732e93
Author: Shiji Yang <yangshiji66 at qq.com>
AuthorDate: Tue Mar 19 21:25:52 2024 +0800

    ath79: tiny: enable NVMEM u-boot-env driver
    
    The upcoming D-Link devices to the tiny sub-target require it to
    parse the u-env MAC address. The kernel size will increase by
    about 1 KiB.
    
    Signed-off-by: Shiji Yang <yangshiji66 at qq.com>
---
 target/linux/ath79/tiny/config-default | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/linux/ath79/tiny/config-default b/target/linux/ath79/tiny/config-default
index df7e662827..3fb83dd8e1 100644
--- a/target/linux/ath79/tiny/config-default
+++ b/target/linux/ath79/tiny/config-default
@@ -6,6 +6,8 @@ CONFIG_NET_DSA=y
 CONFIG_NET_DSA_MV88E6060=y
 CONFIG_NET_DSA_TAG_TRAILER=y
 CONFIG_NET_SWITCHDEV=y
+CONFIG_NVMEM_SYSFS=y
+CONFIG_NVMEM_U_BOOT_ENV=y
 CONFIG_PHYLINK=y
 CONFIG_PHY_AR7100_USB=y
 CONFIG_PHY_AR7200_USB=y