irqchip: mips-gic: Setup EIC mode on each CPU if it's in use

irqchip: mips-gic: Setup EIC mode on each CPU if it's in use

When EIC mode is in use (cpu_has_veic is true) enable it on each CPU
during GIC initialisation. Otherwise there may be a mismatch between the
hardware default interrupt model & that expected by the kernel.

Signed-off-by: Paul Burton <[email protected]>
Reviewed-by: Matt Redfearn <[email protected]>
Tested-by: Matt Redfearn <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Cc: Paul Burton <[email protected]>
Cc: Marc Zyngier <[email protected]>
Cc: Jason Cooper <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/13274/
Signed-off-by: Ralf Baechle <[email protected]>