fixup! iio: common: Add AOP sensor drivers

str::from_utf8 was stabilized in rustc 1.87, and the minimum supported
rustc is currently 1.78, so builds fail with some supported rustc
versions. The rest of the kernel uses core::str::from_utf8.

Signed-off-by: NoisyCoil <noisycoil@disroot.org>

Author: NoisyCoil

drivers/iio/common/aop_sensors/aop_als.rs

@@ -30,7 +30,7 @@ fn get_lux_offset(aop: &dyn AOP, dev: &platform::Device, svc: &EPICService) -> R
             dev_warn!(
                 dev.as_ref(),
                 "Unknown sensor type {:?}",
-                str::from_utf8(&name)
+                core::str::from_utf8(&name)
             );
             Err(EIO)
         }