configs: stm32mp: Enable UNZIP on STMicroelectronics stm32mp15 boards

The CMD_UNZIP provides the 'gzwrite' command, which is convenient
for writing e.g. gz-compressed images to eMMC from U-Boot.
Signed-off-by: NPatrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: NPatrice Chotard <patrice.chotard@foss.st.com>

configs/stm32mp15_basic_defconfig

@@ -38,6 +38,7 @@ CONFIG_CMD_ERASEENV=y
 CONFIG_CMD_NVEDIT_EFI=y
 CONFIG_CMD_MEMINFO=y
 CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_UNZIP=y
 CONFIG_CMD_ADC=y
 CONFIG_CMD_CLK=y
 CONFIG_CMD_DFU=y

configs/stm32mp15_trusted_defconfig

@@ -21,6 +21,7 @@ CONFIG_CMD_ERASEENV=y
 CONFIG_CMD_NVEDIT_EFI=y
 CONFIG_CMD_MEMINFO=y
 CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_UNZIP=y
 CONFIG_CMD_ADC=y
 CONFIG_CMD_CLK=y
 CONFIG_CMD_DFU=y