configs: set CONFIG_COUNTER_FREQUENCY

Set CONFIG_COUNTER_FREQUENCY according to COUNTER_FREQUENCY in
config header file.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
[trini: Re-run migration]
diff --git a/configs/bubblegum_96_defconfig b/configs/bubblegum_96_defconfig
index f4e6abc..a21b245 100644
--- a/configs/bubblegum_96_defconfig
+++ b/configs/bubblegum_96_defconfig
@@ -1,4 +1,5 @@
 CONFIG_ARM=y
+CONFIG_COUNTER_FREQUENCY=24000000
 CONFIG_ARCH_OWL=y
 CONFIG_SYS_MALLOC_LEN=0x2000000
 CONFIG_ENV_SIZE=0x2000