phosphor-ipmi-flash: add Nuvoton P2A PACKAGECONFIGs

Add options to PACKAGECONFIG to enable the VGA or MBOX P2A bridge on
Nuvoton as a hardware interface.

Change-Id: I0a7a9e358988322d370f8ce55a7957b9398d17b2
Signed-off-by: Benjamin Fair <benjaminfair@google.com>
diff --git a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb
index e487233..c9f2fba 100644
--- a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb
+++ b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb
@@ -36,6 +36,8 @@
 PACKAGECONFIG[aspeed-p2a] = "--enable-aspeed-p2a, --disable-aspeed-p2a"
 PACKAGECONFIG[aspeed-lpc] = "--enable-aspeed-lpc, --disable-aspeed-lpc"
 PACKAGECONFIG[nuvoton-lpc] = "--enable-nuvoton-lpc, --disable-nuvoton-lpc"
+PACKAGECONFIG[nuvoton-p2a-vga] = "--enable-nuvoton-p2a-vga, --disable-nuvoton-p2a-vga"
+PACKAGECONFIG[nuvoton-p2a-mbox] = "--enable-nuvoton-p2a-mbox, --disable-nuvoton-p2a-mbox"
 PACKAGECONFIG[net-bridge] = "--enable-net-bridge, --disable-net-bridge"
 
 EXTRA_OECONF = "--disable-tests --disable-build-host-tool"