patches/openwrt: kernel: update to version 5.15.73

patches/openwrt/5.15-kernel-configuration/0000-kernel-have-kernel-5.4-and-kernel-5.15-side-by-side.patch

@@ -15,10 +15,10 @@ index 07e64d4edd..e5a69b6131 100644
  endif
  
  LINUX_VERSION-5.4 = .215
-+LINUX_VERSION-5.15 = .72
++LINUX_VERSION-5.15 = .73
  
  LINUX_KERNEL_HASH-5.4.215 = 2d2bf7c3a25297f2b4686aa50a7cdaac68b52fc4c81b2cd3dddfe9f592b34ebd
-+LINUX_KERNEL_HASH-5.15.72 = 6090323b5b471ae9d3bbc0058966113609f5bbd22fa19a76df32a8abc52f07ab
++LINUX_KERNEL_HASH-5.15.73 = a822f09525ae8803453939a91e73f18097a3ba2aec73be4fe9ab314a0131715d
  
  remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1))))
  sanitize_uri=$(call qstrip,$(subst @,_,$(subst :,_,$(subst .,_,$(subst -,_,$(subst /,_,$(1)))))))