xtensa: move built-in PIC to drivers/irqchip

Extract xtensa built-in interrupt controller implementation from
xtensa/kernel/irq.c and move it to other irqchips, providing way to
instantiate it from the device tree.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/xtensa/boot/dts/xtfpga.dtsi b/arch/xtensa/boot/dts/xtfpga.dtsi
index 7eda6ecf7eef..b042c3f508e6 100644
--- a/arch/xtensa/boot/dts/xtfpga.dtsi
+++ b/arch/xtensa/boot/dts/xtfpga.dtsi
@@ -26,7 +26,7 @@
         };
 
         pic: pic {
-                compatible = "xtensa,pic";
+                compatible = "cdns,xtensa-pic";
                 /* one cell: internal irq number,
                  * two cells: second cell == 0: internal irq number
                  *            second cell == 1: external irq number