ASoc : wcd: modify irq name and irq mapping

Modify irq mapping as per latest irq numbers and remove
backslash from irq name to resolve warnings.

Change-Id: If013dc47fcea42a9e504cf4922aca368bbe1a371
Signed-off-by: Yeleswarapu, Nagaradhesh <nagaradh@codeaurora.org>