Remove IRQ_SLOT_COUNT on all boards without PIRQ table.

This config is used only to generate PIRQ table. If no such table is
supplied there is no need for config.

Change-Id: I537d440f53019a6bf7f190446074e75e7420545a
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7566
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)
kontron/986lcd-m: Fix PCI interrupt routing.

The current interrupt routing shares interrupt 5 between LPC and PCI which
isn't possible.

Use IRQ 11 for all devices in PCI mode. Move conflicting LPC to free IRQ.

Change-Id: I3ac8c2f19195ef6b07f4ee7dde64dd038d024126
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7477
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>