lib/string_helpers: Introduce parse_int_array_user()

mainline inclusion
from mainline-v6.1-rc1
commit f0b93323
category: feature
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I8WOEC

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f0b933236ec97de5ee49c60aae57a9c5c4dadc87



-------------------------------------

Add new helper function to allow for splitting specified user string
into a sequence of integers. Internally it makes use of get_options() so
the returned sequence contains the integers extracted plus an additional
element that begins the sequence and specifies the integers count.

Intel-SIG: commit f0b93323 lib/string_helpers: Introduce parse_int_array_user().
Backport Intel_tpmi base driver.

Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20220904102840.862395-2-cezary.rojewski@intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>
[ Yingbao Jia: amend commit log ]
Signed-off-by: Yingbao Jia <yingbao.jia@intel.com>