cpufreq: acpi: move MSR_K7_HWCR_CPB_DIS_BIT into msr-index.h

cpufreq: acpi: move MSR_K7_HWCR_CPB_DIS_BIT into msr-index.h

There are some other drivers also need to use the
MSR_K7_HWCR_CPB_DIS_BIT for CPB control bit, so it makes sense to move
the definition to a common header file to allow other driver to use it.

No intentional functional impact.

Suggested-by: Gautham Ranjal Shenoy <[email protected]>
Signed-off-by: Perry Yuan <[email protected]>
Acked-by: Rafael J. Wysocki <[email protected]>
Acked-by: Huang Rui <[email protected]>
Link: https://lore.kernel.org/r/78b6c75e6cffddce3e950dd543af6ae9f8eeccc3.1718988436.git.perry.yuan@amd.com
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mario Limonciello <[email protected]>