riscv: cpu: jh7110: Select SPL_ZERO_MEM_BEFORE_USE

Add Kconfig item for Starfive JH7110 to select SPL_ZERO_MEM_BEFORE_USE.

Signed-off-by: Bo Gan <ganboing@gmail.com>
Signed-off-by: Shengyu Qu <wiagn233@outlook.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/arch/riscv/cpu/jh7110/Kconfig b/arch/riscv/cpu/jh7110/Kconfig
index c1d3e6a..8469ee7 100644
--- a/arch/riscv/cpu/jh7110/Kconfig
+++ b/arch/riscv/cpu/jh7110/Kconfig
@@ -14,6 +14,7 @@
 	select SPL_RAM if SPL
 	select SPL_STARFIVE_DDR
 	select SYS_CACHE_SHIFT_6
+	select SPL_ZERO_MEM_BEFORE_USE
 	select PINCTRL_STARFIVE_JH7110
 	imply MMC
 	imply MMC_BROKEN_CD