Revert "xen/PVonHVM: fix compile warning in init_hvm_pv_info"

This reverts commit a7be94ac8d69c037d08f0fd94b45a593f1d45176.

Signed-off-by: Konrad Rzeszutek Wilk <[e-mail]>

arch/x86/xen/enlighten.c

···
 
 static void __init init_hvm_pv_info(void)
 {
-	uint32_t ecx, edx, pages, msr, base;
+	uint32_t eax, ebx, ecx, edx, pages, msr, base;
 	u64 pfn;
 
 	base = xen_cpuid_base();