dt-bindings: serial: renesas,scif: Fix 4th IRQ for 4-IRQ SCIFs

stable inclusion
from stable-v5.10.178
commit 1f3b8c3b047a554664be772db61fb3c7210ad0a9
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8D927

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1f3b8c3b047a554664be772db61fb3c7210ad0a9



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commit 7b21f329 upstream.

The fourth interrupt on SCIF variants with four interrupts (RZ/A1) is
the Break interrupt, not the Transmit End interrupt (like on SCI(g)).
Update the description and interrupt name to fix this.

Fixes: 384d00fa ("dt-bindings: serial: sh-sci: Convert to json-schema")
Cc: stable <stable@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/719d1582e0ebbe3d674e3a48fc26295e1475a4c3.1679046394.git.geert+renesas@glider.be


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>