arch/arm/mach-s3c24xx/mach-osiris-dvs.c: use "&&" (not "&") with bool operands

The issue was discovered by static analysis. Bitwise AND ("&") was used
in logical expressions with operands having "bool" type. Replaced
bitwise AND operators with logical AND.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=79781
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Andrey Utkin <andrey.krieger.utkin@gmail.com>