kbuild: remove hardcoded apic_es7000 from modpost

Replace the hardcoded variable name apic_es7000 in modpost
with a __initdata_refok marker.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/arch/i386/mach-generic/es7000.c b/arch/i386/mach-generic/es7000.c
index b47f951..4742626 100644
--- a/arch/i386/mach-generic/es7000.c
+++ b/arch/i386/mach-generic/es7000.c
@@ -66,4 +66,4 @@
 }
 #endif
 
-struct genapic apic_es7000 = APIC_INIT("es7000", probe_es7000);
+struct genapic __initdata_refok apic_es7000 = APIC_INIT("es7000", probe_es7000);
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 7f5ff7e..1921c43 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -647,7 +647,6 @@
 		"_probe",
 		"_probe_one",
 		"_console",
-		"apic_es7000",
 		NULL
 	};