Restore legacy coreboot-dasharo for v56 boards

Restore the original single dasharo module for v56 boards to match
the configuration at b9a081f. This allows v56 boards to use the
existing build directory if it was built before.

Author: tlaurion

boards/novacustom-v540tu/novacustom-v540tu.config

@@ -14,7 +14,7 @@
 #  ME/CSME for s0ix to work (unsupported by QubesOS when writing those lines) or use Hibernate (Not supported by QubesOS either)
 
 export CONFIG_COREBOOT=y
-export CONFIG_COREBOOT_VERSION=dasharo_v56
+export CONFIG_COREBOOT_VERSION=dasharo
 export CONFIG_DASHARO_EC=y
 export CONFIG_LINUX_VERSION=6.1.8
 

boards/novacustom-v560tu/novacustom-v560tu.config

@@ -14,7 +14,7 @@
 #  ME/CSME for s0ix to work (unsupported by QubesOS when writing those lines) or use Hibernate (Not supported by QubesOS either)
 
 export CONFIG_COREBOOT=y
-export CONFIG_COREBOOT_VERSION=dasharo_v56
+export CONFIG_COREBOOT_VERSION=dasharo
 export CONFIG_DASHARO_EC=y
 export CONFIG_LINUX_VERSION=6.1.8
 

modules/coreboot

@@ -101,6 +101,15 @@ $(eval $(call coreboot_module,purism,24.02.01))
 
 # Dasharo forks - based on various coreboot upstream releases
 # All include 3rdparty/intel-microcode 20251111
+
+# NovaCustom V560TU/V540TU (Meteor Lake)
+# Legacy: single dasharo fork used for v56 boards (before splitting)
+coreboot-dasharo_repo := https://github.com/dasharo/coreboot
+coreboot-dasharo_commit_hash := 6de027d1f0a62753182237ce3d793e5ba0395139
+$(eval $(call coreboot_module,dasharo,))
+coreboot-dasharo_patch_version := unreleased
+
+# NovaCustom V560TU/V540TU (Meteor Lake) - Split version
 #
 # IMPORTANT: Dasharo forks CANNOT share toolchains with upstream coreboot releases
 # or with each other. This is because: