block: Fix minor range check in device_add_disk()

hulk inclusion
category: bugfix
bugzilla: 188733

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Checks added in patch:
51901d95c47e("block: check minor range in device_add_disk()") ignore the
problem of first_minore < 0 and disk->minors < 0.

Fix it by adding first_minore < 0 and disk->minors < 0 check.

Signed-off-by: Zhong Jinghua <zhongjinghua@huawei.com>
Signed-off-by: Li Nan <linan122@huawei.com>