[PATCH][TRIVIAL] ACPI_PROCESSOR depends on CPU_FREQ

[Rusty Lynch]

After pulling from Linus's tree my build broke while attempting to
compile drivers/acpi/processor.c because cpufreq_get_policy() and
cpufreq_set_policy() were not defined.

Here is a quick Kconfig fix.

    --rustyl

--- drivers/acpi/Kconfig.orig	2003-02-06 13:29:24.000000000 -0800
+++ drivers/acpi/Kconfig	2003-02-06 13:31:01.000000000 -0800
@@ -110,6 +110,7 @@
 
 config ACPI_PROCESSOR
 	tristate "Processor"
+	depends on CPU_FREQ
 	depends on IA64 && !IA64_HP_SIM || X86 && ACPI && !ACPI_HT_ONLY
 	help
 	  This driver installs ACPI as the idle handler for Linux, and uses