xen/riscv: rename enum intc_version to intc_variant

Rename the enum to intc_variant and the structure member from hw_version
to hw_variant to better reflect that these values select between
different controller variants, not versions of the same one.

Requested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Oleksii Kurochko <oleksii.kurochko@gmail.com>
Acked-by: Jan Beulich <jbeulich@suse.com>

xen/arch/riscv/aplic.c

@@ -35,7 +35,7 @@ static struct aplic_priv aplic = {
 };
 
 static struct intc_info __ro_after_init aplic_info = {
-    .hw_version = INTC_APLIC,
+    .hw_variant = INTC_APLIC,
 };
 
 static void __init aplic_init_hw_interrupts(void)

xen/arch/riscv/include/asm/intc.h

@@ -10,7 +10,7 @@
 
 struct dt_device_node;
 
-enum intc_version {
+enum intc_variant {
     INTC_APLIC,
 };
 
@@ -18,7 +18,7 @@ struct cpu_user_regs;
 struct irq_desc;
 
 struct intc_info {
-    enum intc_version hw_version;
+    enum intc_variant hw_variant;
     const struct dt_device_node *node;
 
     /* number of irqs */