media: correct MEDIA_TEST_SUPPORT help text

stable inclusion
from stable-v5.10.94
commit f6736bd81db48abd9455e007f1f3ba7ec593fd48
bugzilla: https://gitee.com/openeuler/kernel/issues/I531X9

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6736bd81db48abd9455e007f1f3ba7ec593fd48



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commit 09f4d151 upstream.

Fix grammar/wording in the help text for MEDIA_TEST_SUPPORT.

Fixes: 4b32216a ("media: split test drivers from platform directory")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Acked-by: Xie XiuQi <xiexiuqi@huawei.com>