ARM: imx: Fix CONFIG_BOOTCOUNT_ALTBOOTCMD duplication on DH i.MX8MP DHCOM

Deduplicate the config files again, move CONFIG_BOOTCOUNT_ALTBOOTCMD
into common imx8mp_dhsom.config .

Fixes: 940135eea5df ("Kconfig: Move CONFIG_BOOTCOUNT_ALTBOOTCMD to Kconfig")
Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/configs/imx8mp_dhcom_drc02_defconfig b/configs/imx8mp_dhcom_drc02_defconfig
index dccf5ff..c43839c 100644
--- a/configs/imx8mp_dhcom_drc02_defconfig
+++ b/configs/imx8mp_dhcom_drc02_defconfig
@@ -5,4 +5,3 @@
 CONFIG_DEFAULT_DEVICE_TREE="imx8mp-dhcom-drc02"
 CONFIG_DEFAULT_FDT_FILE="imx8mp-dhcom-drc02.dtb"
 CONFIG_PREBOOT=""
-CONFIG_BOOTCOUNT_ALTBOOTCMD="run bootcmd ; reset"
diff --git a/configs/imx8mp_dhcom_pdk2_defconfig b/configs/imx8mp_dhcom_pdk2_defconfig
index 4f50806..aae2e21 100644
--- a/configs/imx8mp_dhcom_pdk2_defconfig
+++ b/configs/imx8mp_dhcom_pdk2_defconfig
@@ -7,4 +7,3 @@
 CONFIG_PREBOOT=""
 CONFIG_OF_UPSTREAM=y
 CONFIG_OF_UPSTREAM_INCLUDE_LOCAL_FALLBACK_DTBOS=y
-CONFIG_BOOTCOUNT_ALTBOOTCMD="run bootcmd ; reset"
diff --git a/configs/imx8mp_dhcom_pdk3_defconfig b/configs/imx8mp_dhcom_pdk3_defconfig
index d505ddf..f40bf26 100644
--- a/configs/imx8mp_dhcom_pdk3_defconfig
+++ b/configs/imx8mp_dhcom_pdk3_defconfig
@@ -14,4 +14,3 @@
 CONFIG_PHY_IMX8M_PCIE=y
 CONFIG_I2C_MUX=y
 CONFIG_I2C_MUX_PCA954x=y
-CONFIG_BOOTCOUNT_ALTBOOTCMD="run bootcmd ; reset"
diff --git a/configs/imx8mp_dhcom_picoitx_defconfig b/configs/imx8mp_dhcom_picoitx_defconfig
index d98ca9e..99cd5f2 100644
--- a/configs/imx8mp_dhcom_picoitx_defconfig
+++ b/configs/imx8mp_dhcom_picoitx_defconfig
@@ -5,4 +5,3 @@
 CONFIG_DEFAULT_DEVICE_TREE="imx8mp-dhcom-picoitx"
 CONFIG_DEFAULT_FDT_FILE="imx8mp-dhcom-picoitx.dtb"
 CONFIG_PREBOOT=""
-CONFIG_BOOTCOUNT_ALTBOOTCMD="run bootcmd ; reset"
diff --git a/configs/imx8mp_dhsom.config b/configs/imx8mp_dhsom.config
index 4161431..7adbb9a 100644
--- a/configs/imx8mp_dhsom.config
+++ b/configs/imx8mp_dhsom.config
@@ -70,6 +70,7 @@
 CONFIG_SF_DEFAULT_SPEED=50000000
 # CONFIG_SPI_FLASH_UNLOCK_ALL is not set
 
+CONFIG_BOOTCOUNT_ALTBOOTCMD="run bootcmd ; reset"
 CONFIG_BOOTCOUNT_LIMIT=y
 CONFIG_SYS_BOOTCOUNT_MAGIC=0xB0C40000