MIPS: DTS: Fix number of msi vectors for Loongson64G

HT irqs vectors are 8 groups, each group has 32 irqs, Loongson64C CPUs
can use only 4 groups and Loongson64G CPUs can use all 8 groups. So the
number of msi vectors of Loongson64G is 192 (32*8 - 64 = 192).

Fixes: 24af105 ("MIPS: Loongson64: DeviceTree for LS7A PCH")
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

arch/mips/boot/dts/loongson/loongson64g_4core_ls7a.dts

@@ -20,7 +20,11 @@
 		interrupts = <24 IRQ_TYPE_LEVEL_HIGH>,
 			     <25 IRQ_TYPE_LEVEL_HIGH>,
 			     <26 IRQ_TYPE_LEVEL_HIGH>,
-			     <27 IRQ_TYPE_LEVEL_HIGH>;
+			     <27 IRQ_TYPE_LEVEL_HIGH>,
+			     <28 IRQ_TYPE_LEVEL_HIGH>,
+			     <29 IRQ_TYPE_LEVEL_HIGH>,
+			     <30 IRQ_TYPE_LEVEL_HIGH>,
+			     <31 IRQ_TYPE_LEVEL_HIGH>;
 	};
 };
 
@@ -31,7 +35,7 @@
 		interrupt-controller;
 		msi-controller;
 		loongson,msi-base-vec = <64>;
-		loongson,msi-num-vecs = <128>;
+		loongson,msi-num-vecs = <192>;
 		interrupt-parent = <&htvec>;
 	};
 };