USB: gadget: dummy-hcd: remove redundant initialization of variable 'value'

The variable 'value' is being initialized with 1 that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Addresses-Coverity: ("Unused value")
Link: https://lore.kernel.org/r/20210217210124.197780-1-colin.king@canonical.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>