ARM: dts: aspeed: Fix coprocessor interrupt controller node name

ARM: dts: aspeed: Fix coprocessor interrupt controller node name

Squash schema warnings such as:

 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-galaxy100.dtb:
 copro-interrupt-controller@1e6c2000: $nodename:0:
 'copro-interrupt-controller@1e6c2000' does not match
 '^interrupt-controller(@[0-9a-f,]+)*$'

Link: https://lore.kernel.org/r/20240802-dt-warnings-bmc-dts-cleanups-v1-1-1cb1378e5fcd@codeconstruct.com.au
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>