speakup-dectlk: Restore pitch setting

stable inclusion
from stable-v5.10.101
commit 6eabe53492c2f0a9c53a8cdd4393265ba82913d4
bugzilla: https://gitee.com/openeuler/kernel/issues/I5669Z

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=6eabe53492c2f0a9c53a8cdd4393265ba82913d4



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commit bca828cc upstream.

d97a9d7a ("staging/speakup: Add inflection synth parameter")
introduced the inflection parameter, but happened to drop the pitch
parameter from the dectlk driver. This restores it.

Cc: stable@vger.kernel.org
Fixes: d97a9d7a ("staging/speakup: Add inflection synth parameter")
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Link: https://lore.kernel.org/r/20220206015626.aesbhvvdkmqsrbaw@begin


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Yu Liao <liaoyu15@huawei.com>
Reviewed-by: Wei Li <liwei391@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>