Raise CLIC_LEVEL_BITS to 8 and fix assertion

Author: Michael Clark

hw/riscv/sifive_clic.c

@@ -782,7 +782,7 @@ DeviceState *sifive_clic_create(hwaddr addr, hwaddr size,
     assert(num_sources >= 4 && num_sources <= 1024);
     assert(int_bits >= 2 && int_bits <= 8);
     assert(mode_bits <= 2);
-    assert(level_bits <= 5);
+    assert(level_bits <= 8);
     assert(vec_bits <= 1);
 
     DeviceState *dev = qdev_create(NULL, TYPE_SIFIVE_CLIC);

include/hw/riscv/sifive_clic.h

@@ -98,7 +98,7 @@ enum {
     SIFIVE_CLIC_CLIC_SMODE_OFFSET = 0xc00000,
 
     SIFIVE_CLIC_PRIORITY_BITS = 8,
-    SIFIVE_CLIC_LEVEL_BITS = 4
+    SIFIVE_CLIC_LEVEL_BITS = 8
 };
 
 DeviceState *sifive_clic_create(hwaddr addr, hwaddr size,