ARM: 7388/1: Kconfig: Remove duplicate IRQ Kconfig entries

These kconfig entries are already defined in kernel/irq/Kconfig
so select them instead of redefining them.

Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>