config: versal: Update mini u-boot timer clock to 100Mhz

Mini u-boot timer clock is not updated when u-boot is migrated from
emulator to silicon. Due to this slower clock of 2.72Mhz, delay() functions
are not working accurately. Update CONFIG_COUNTER_FREQUENCY to 100Mhz.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/xilinx_versal_mini_defconfig b/configs/xilinx_versal_mini_defconfig
index e72cef9..427268b 100644
--- a/configs/xilinx_versal_mini_defconfig
+++ b/configs/xilinx_versal_mini_defconfig
@@ -7,7 +7,7 @@
 CONFIG_ENV_SIZE=0x80
 CONFIG_SYS_MALLOC_LEN=0x2000
 CONFIG_SYS_MEM_RSVD_FOR_MMU=y
-CONFIG_COUNTER_FREQUENCY=2720000
+CONFIG_COUNTER_FREQUENCY=100000000
 # CONFIG_PSCI_RESET is not set
 CONFIG_DEFAULT_DEVICE_TREE="versal-mini"
 # CONFIG_EXPERT is not set