ARM: ezx_defconfig: Cleanup from non-existing options

CPU_FREQ_DEBUG is gone since commit 2d06d8c4  ("[CPUFREQ] use
dynamic debug instead of custom infrastructure").
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/configs/ezx_defconfig

@@ -27,7 +27,6 @@ CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_CMDLINE="console=tty1 root=/dev/mmcblk0p2 rootfstype=ext2 rootdelay=3 ip=192.168.0.202:192.168.0.200:192.168.0.200:255.255.255.0 debug"
 CONFIG_KEXEC=y
 CONFIG_CPU_FREQ=y
-CONFIG_CPU_FREQ_DEBUG=y
 CONFIG_CPU_FREQ_GOV_POWERSAVE=m
 CONFIG_CPU_FREQ_GOV_USERSPACE=m
 CONFIG_CPU_FREQ_GOV_ONDEMAND=m