hwmon: (coretemp) fix coding style issues

hwmon: (coretemp) fix coding style issues

Address several coding style warnings reported by checkpatch.pl:
- Replace <asm/processor.h> with <linux/processor.h>
- Add missing blank lines after declarations
- Combine split quoted strings
- Reorder __initconst placement

No functional change.

Signed-off-by: Roman Bakshansky <bakshansky.lists@gmail.com>
Link: https://lore.kernel.org/r/20260516114253.5466-3-bakshansky.lists@gmail.com
[groeck: Dropped false positive change. Fixed various CHECK reports.]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>