irqchip/wpcm450: Drop COMPILE_TEST

This driver is (for now) ARM specific, and currently doesn't
build with a variety of architectures (ia64, RISC-V, x86_64
at the very least).

Drop COMPILE_TEST from Kconfig until it gets sorted out.
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Marc Zyngier <maz@kernel.org>

drivers/irqchip/Kconfig

@@ -579,7 +579,7 @@ config MST_IRQ
 
 config WPCM450_AIC
 	bool "Nuvoton WPCM450 Advanced Interrupt Controller"
-	depends on ARCH_WPCM450 || COMPILE_TEST
+	depends on ARCH_WPCM450
 	help
 	  Support for the interrupt controller in the Nuvoton WPCM450 BMC SoC.