[openwrt/openwrt] kernel: add missing symbol for 5.15

[LEDE Commits]

xback pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/aff4ffb3f04c7befee845b839f0b4fc8533a1786

commit aff4ffb3f04c7befee845b839f0b4fc8533a1786
Author: Koen Vandeputte <koen.vandeputte at ncentric.com>
AuthorDate: Tue Apr 5 12:28:42 2022 +0200

    kernel: add missing symbol for 5.15
    
    Driver for the National Semiconductor DP83640 PHYTER (DP83640_PHY) [N/m/y/?] (NEW)
    
    Signed-off-by: Koen Vandeputte <koen.vandeputte at ncentric.com>
---
 target/linux/generic/config-5.15 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/generic/config-5.15 b/target/linux/generic/config-5.15
index 04c5d51409..dd030107af 100644
--- a/target/linux/generic/config-5.15
+++ b/target/linux/generic/config-5.15
@@ -1466,6 +1466,7 @@ CONFIG_DMA_NONCOHERENT_MMAP=y
 # CONFIG_DNOTIFY is not set
 # CONFIG_DNS_RESOLVER is not set
 CONFIG_DOUBLEFAULT=y
+# CONFIG_DP83640_PHY is not set
 # CONFIG_DP83822_PHY is not set
 # CONFIG_DP83848_PHY is not set
 # CONFIG_DP83867_PHY is not set