x86/apic: Drop enum apic_delivery_modes

The type is not used any more.

Replace the constants with plain defines so they can live outside of an
__ASSEMBLY__ block, allowing for more cleanup in subsequent changes.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
Link: https://lore.kernel.org/r/20231102-x86-apic-v1-2-bf049a2a0ed6@citrix.com

Author: andyhhp

arch/x86/include/asm/apicdef.h

@@ -20,6 +20,13 @@
  */
 #define IO_APIC_SLOT_SIZE		1024
 
+#define APIC_DELIVERY_MODE_FIXED	0
+#define APIC_DELIVERY_MODE_LOWESTPRIO	1
+#define APIC_DELIVERY_MODE_SMI		2
+#define APIC_DELIVERY_MODE_NMI		4
+#define APIC_DELIVERY_MODE_INIT		5
+#define APIC_DELIVERY_MODE_EXTINT	7
+
 #define	APIC_ID		0x20
 
 #define	APIC_LVR	0x30
@@ -430,14 +437,5 @@ struct local_apic {
  #define BAD_APICID 0xFFFFu
 #endif
 
-enum apic_delivery_modes {
-	APIC_DELIVERY_MODE_FIXED	= 0,
-	APIC_DELIVERY_MODE_LOWESTPRIO   = 1,
-	APIC_DELIVERY_MODE_SMI		= 2,
-	APIC_DELIVERY_MODE_NMI		= 4,
-	APIC_DELIVERY_MODE_INIT		= 5,
-	APIC_DELIVERY_MODE_EXTINT	= 7,
-};
-
 #endif /* !__ASSEMBLY__ */
 #endif /* _ASM_X86_APICDEF_H */