[PATCH v2] drm/xe: replace 'grouped target' in Makefile with pattern rule

[Dafna Hirschfeld]

Since 'grouped target' is used only in 'make' 4.3, it should
be avoided. Replace it with 'multi-target pattern rule' which
has the same behavior.

Signed-off-by: Dafna Hirschfeld <dhirschfeld at habana.ai>
---
v2 changes: instead of removing 'grouped target' we replace it with pattern-rule
here is v1: https://lore.kernel.org/intel-xe/20240219135845.1463992-1-dhirschfeld@habana.ai/

 drivers/gpu/drm/xe/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/Makefile b/drivers/gpu/drm/xe/Makefile
index c531210695db..64903841fbd4 100644
--- a/drivers/gpu/drm/xe/Makefile
+++ b/drivers/gpu/drm/xe/Makefile
@@ -42,7 +42,7 @@ generated_oob := $(obj)/generated/xe_wa_oob.c $(obj)/generated/xe_wa_oob.h
 quiet_cmd_wa_oob = GEN     $(notdir $(generated_oob))
       cmd_wa_oob = mkdir -p $(@D); $^ $(generated_oob)
 
-$(generated_oob) &: $(obj)/xe_gen_wa_oob $(srctree)/$(src)/xe_wa_oob.rules
+$(obj)/generated/%.c $(obj)/generated/%.h:  $(obj)/xe_gen_wa_oob $(srctree)/$(src)/xe_wa_oob.rules
 	$(call cmd,wa_oob)
 
 uses_generated_oob := \
-- 
2.34.1