[openwrt/openwrt] toolchain: glibc: increase min kernel version to 5.15

[LEDE Commits]

ansuel pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/5bd7f04806d07a82e247220f2b825f4fcc43da9f

commit 5bd7f04806d07a82e247220f2b825f4fcc43da9f
Author: Nick Hainke <vincent at systemli.org>
AuthorDate: Thu May 4 21:34:21 2023 +0200

    toolchain: glibc: increase min kernel version to 5.15
    
    The purpose of this is to remove all of the compatibility code that is
    normally compiled into glibc for kernels < 5.15 from our build. Only
    Linux kernels >= 5.15 will be supported.
    
    Signed-off-by: Nick Hainke <vincent at systemli.org>
---
 toolchain/glibc/common.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/toolchain/glibc/common.mk b/toolchain/glibc/common.mk
index ac396531c9..33afb2d60a 100644
--- a/toolchain/glibc/common.mk
+++ b/toolchain/glibc/common.mk
@@ -64,7 +64,7 @@ GLIBC_CONFIGURE:= \
 		  $(if $(CONFIG_PKG_CC_STACKPROTECTOR_REGULAR),--enable-stack-protector=yes) \
 		  $(if $(CONFIG_PKG_CC_STACKPROTECTOR_STRONG),--enable-stack-protector=strong) \
 		  $(if $(CONFIG_PKG_RELRO_FULL),--enable-bind-now) \
-		--enable-kernel=5.10.0
+		--enable-kernel=5.15.0
 
 export libc_cv_ssp=no
 export libc_cv_ssp_strong=no