configs: JH7110: enable EFI_LOADER_BOUNCE_BUFFER

Our MMC driver for JH7110 boards only supports reading to the low 4 GiB of
memory. Booting boards with more memory requires EFI_LOADER_BOUNCE_BUFFER.

Reported-by: E Shattow <lucent@gmail.com>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Tested-by: Loic Devulder <ldevulder@suse.com>

configs/starfive_visionfive2_defconfig

@@ -32,6 +32,7 @@ CONFIG_CMODEL_MEDANY=y
 CONFIG_RISCV_SMODE=y
 # CONFIG_OF_BOARD_FIXUP is not set
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_EFI_LOADER_BOUNCE_BUFFER=y
 CONFIG_FIT=y
 CONFIG_BOOTSTD_DEFAULTS=y
 CONFIG_BOOTSTAGE=y