x86/paravirt: Prevent redefinition of SAVE_FLAGS macro

The PARAVIRT_XXL changes introduced a redefinition of SAVE_FLAGS under
certain configurations. Cure it

Fixes: 6da63eb2 ("x86/paravirt: Move the pv_irq_ops under the PARAVIRT_XXL umbrella").
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: hpa@zytor.com
Link: https://lkml.kernel.org/r/20180905053720.13710-1-jgross@suse.com

arch/x86/include/asm/paravirt.h

@@ -914,7 +914,6 @@ extern void default_banner(void);
 	PARA_SITE(PARA_PATCH(PV_CPU_usergs_sysret64),			\
 		  ANNOTATE_RETPOLINE_SAFE;				\
 		  jmp PARA_INDIRECT(pv_ops+PV_CPU_usergs_sysret64);)
-#endif
 
 #ifdef CONFIG_DEBUG_ENTRY
 #define SAVE_FLAGS(clobbers)                                        \
@@ -924,6 +923,7 @@ extern void default_banner(void);
 		  call PARA_INDIRECT(pv_ops+PV_IRQ_save_fl);	    \
 		  PV_RESTORE_REGS(clobbers | CLBR_CALLEE_SAVE);)
 #endif
+#endif
 
 #endif	/* CONFIG_X86_32 */