ARM: mvebu: enable MSI support in mvebu_v7_defconfig

Since Armada 370, XP, 375 and 38x have PCI MSI support, it makes sense
to enable CONFIG_PCI_MSI in mvebu_v7_defconfig.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1400598964-2062-1-git-send-email-thomas.petazzoni@free-electrons.comSigned-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/configs/mvebu_v7_defconfig

@@ -18,6 +18,7 @@ CONFIG_NEON=y
 # CONFIG_CACHE_L2X0 is not set
 # CONFIG_SWP_EMULATE is not set
 CONFIG_PCI=y
+CONFIG_PCI_MSI=y
 CONFIG_PCI_MVEBU=y
 CONFIG_SMP=y
 CONFIG_AEABI=y