board: amlogic: select PWRSEQ for all amlogic platform

commit a10388dc ("mmc: meson-gx: add support for mmc-pwrseq-emmc")
introduce CONFIG_PWRSEQ for power sequence for eMMC module on
amlogic platform, so enable this to all amlogic boards.
Signed-off-by: NAnand Moon <linux.amoon@gmail.com>
Reviewed-by: NNeil Armstrong <narmstrong@baylibre.com>
Signed-off-by: NNeil Armstrong <narmstrong@baylibre.com>

arch/arm/mach-meson/Kconfig

@@ -8,6 +8,7 @@ config MESON64_COMMON
 	select DM_SERIAL
 	select SYSCON
 	select REGMAP
+	select PWRSEQ
 	select BOARD_LATE_INIT
 	imply CMD_DM