tests/kernel/context: correct the way to get IRQ number of APIC TSC Timer

This case fails to build on boards having APIC TSC timer enabled.
This change is needed after moving APIC TSC timer support from
apic_timer.c to apic_tsc.c.

Signed-off-by: Dong Wang <[email protected]>

Author: kwd-doodling

tests/kernel/context/src/main.c

@@ -47,7 +47,7 @@
  * is not defined in platform, generate an error
  */
 
-#if defined(CONFIG_APIC_TSC_DEADLINE_TIMER)
+#if defined(CONFIG_APIC_TSC_DEADLINE_TIMER) || defined(CONFIG_APIC_TIMER_TSC)
 #define TICK_IRQ z_loapic_irq_base() /* first LVT interrupt */
 #elif defined(CONFIG_CPU_CORTEX_M)
 /*