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/a7y17lte_defconfig b/configs/a7y17lte_defconfig
index 9e66425..28e9c097 100644
--- a/configs/a7y17lte_defconfig
+++ b/configs/a7y17lte_defconfig
@@ -1,6 +1,7 @@
 CONFIG_ARM=y
 CONFIG_SYS_CONFIG_NAME="exynos78x0-common"
 CONFIG_SKIP_LOWLEVEL_INIT=y
+CONFIG_COUNTER_FREQUENCY=26000000
 CONFIG_ARCH_EXYNOS=y
 CONFIG_SYS_TEXT_BASE=0x40001000
 CONFIG_SYS_MALLOC_F_LEN=0x400