regulator: core: Avoid negative regulator no & initialize it to -1
regulator: core: Avoid negative regulator no & initialize it to -1

This patch initializes regulator_no to -1 to avoid extra subtraction
operation performed every time we register a regulator and avoid negative
regulator no in its name.

Signed-off-by: Aniroop Mathur <ce6dba114053b13b8206eddfd9bb7e4e4ca36229@samsung.com>
Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs