speed up build ,Revert "Update kernel to 6.12.23 base (open-edge-platform#43)"

This reverts commit c2628f0.

Author: cheeyanglee

SPECS/kernel-headers/kernel-headers.signatures.json

@@ -1,5 +1,5 @@
 {
   "Signatures": {
-    "lts-v6.12.23-emt-250415T094615Z.tar.gz": "752b4275dcc3d0a457802f57f5462fe1e0837730f3752292016beeacbf631021"
+    "lts-v6.12.20-edge-250324T192946Z.tar.gz": "6aa265c2e640ffc060ac0e4fb0dd3363913053a7e306be2e269b5432045d7255"
   }
 }

SPECS/kernel-headers/kernel-headers.spec

@@ -13,14 +13,14 @@
 
 Summary:        Linux API header files
 Name:           kernel-headers
-Version:        6.12.23
+Version:        6.12.20
 Release:        1%{?dist}
 License:        GPLv2
 Vendor:         Intel Corporation
 Distribution:   Edge Microvisor Toolkit
 Group:          System Environment/Kernel
 URL:            https://github.com/intel/linux-intel-lts
-Source0:        https://github.com/intel/linux-intel-lts/archive/refs/tags/lts-v6.12.23-emt-250415T094615Z.tar.gz
+Source0:        https://github.com/intel/linux-intel-lts/archive/refs/tags/lts-v6.12.20-edge-250324T192946Z.tar.gz
 # Historical name shipped by other distros
 Provides:       glibc-kernheaders = %{version}-%{release}
 BuildArch:      noarch
@@ -41,7 +41,7 @@ cross-glibc package.
 %endif
 
 %prep
-%setup -q -n lts-v6.12.23-emt-250415T094615Z
+%setup -q -n lts-v6.12.20-edge-250324T192946Z
 
 %build
 make mrproper
@@ -76,9 +76,6 @@ done
 %endif
 
 %changelog
-* Mon Apr 21 2025 Ren Jiaojiao <jiaojiaox.ren@intel.com> - 6.12.23-1
-- Update kernel to 6.12.23
-
 * Thu Mar 27 2025 Ren Jiaojiao <jiaojiaox.ren@intel.com> - 6.12.20-1
 - Update kernel to 6.12.20