Needed with kernel >=7.0 if CONFIG_DEBUG_INFO_BTF_MODULES=y is enabled.

https://github.com/NVIDIA/open-gpu-kernel-modules/issues/1041
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -98 +98 @@
-  PAHOLE_VARIABLES=$(if $(wildcard $(KERNEL_SOURCES)/scripts/pahole-flags.sh),,"PAHOLE=$(AWK) '$(PAHOLE_AWK_PROGRAM)'")
+  PAHOLE_VARIABLES=$(if $(or $(wildcard $(KERNEL_SOURCES)/scripts/pahole-flags.sh),$(wildcard $(KERNEL_SOURCES)/scripts/gen-btf.sh)),,"PAHOLE=$(AWK) '$(PAHOLE_AWK_PROGRAM)'")
--- a/kernel-module-source/kernel-open/Makefile
+++ b/kernel-module-source/kernel-open/Makefile
@@ -98 +98 @@
-  PAHOLE_VARIABLES=$(if $(wildcard $(KERNEL_SOURCES)/scripts/pahole-flags.sh),,"PAHOLE=$(AWK) '$(PAHOLE_AWK_PROGRAM)'")
+  PAHOLE_VARIABLES=$(if $(or $(wildcard $(KERNEL_SOURCES)/scripts/pahole-flags.sh),$(wildcard $(KERNEL_SOURCES)/scripts/gen-btf.sh)),,"PAHOLE=$(AWK) '$(PAHOLE_AWK_PROGRAM)'")