acpi: select CONFIG_BLOBLIST

Since commit 53d5a221632e ("emulation: Use bloblist to hold tables")
`make qemu-riscv64_smode_defconfig acpi.config && make` fails with

    qfw_acpi.c:146:(.text.evt_write_acpi_tables+0xc):
    undefined reference to `bloblist_add'

Build with bloblist support.

Fixes: 53d5a221632e ("emulation: Use bloblist to hold tables")
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/lib/Kconfig b/lib/Kconfig
index 1795446..ac34ec4 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -317,6 +317,7 @@
 config GENERATE_ACPI_TABLE
 	bool "Generate an ACPI (Advanced Configuration and Power Interface) table"
 	depends on ACPI
+	select BLOBLIST
 	select QFW if QEMU
 	help
 	  The Advanced Configuration and Power Interface (ACPI) specification