ASoC: SDCA: Avoid use of uninitialised local name variable

ASoC: SDCA: Avoid use of uninitialised local name variable

The local name variable is accidentally left over from an earlier
version of the code. Remove the variable and its uninitialised usage.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202507150415.M1tCgi3p-lkp@intel.com/
Fixes: b126394d9ec6 ("ASoC: SDCA: Generic interrupt support")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250715151723.2964336-3-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>