x86: Move memory_setup to x86_init_ops

memory_setup is overridden by x86_quirks and by paravirts with weak
functions and quirks. Unify the whole mess and make it an
unconditional x86_init_ops function which defaults to the standard
function and can be overridden by the early platform code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index d677fa9..11445c1 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1270,7 +1270,6 @@
 	pv_irq_ops.safe_halt = lguest_safe_halt;
 
 	/* Setup operations */
-	pv_init_ops.memory_setup = lguest_memory_setup;
 	pv_init_ops.patch = lguest_patch;
 
 	/* Intercepts of various CPU instructions */
@@ -1325,6 +1324,8 @@
 	pv_time_ops.time_init = lguest_time_init;
 	pv_time_ops.get_tsc_khz = lguest_tsc_khz;
 
+	x86_init.resources.memory_setup = lguest_memory_setup;
+
 	/*
 	 * Now is a good time to look at the implementations of these functions
 	 * before returning to the rest of lguest_init().