misc: Run pre-commit run on all files in repo

The following command was run:

```
pre-commit run --all-files
```

This ensures all the files in the repository are formatted to pass our
checks.

Change-Id: Ia2fe3529a50ad925d1076a612d60a4280adc40de
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/62572
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>

src/base/bitfield.test.cc

@@ -456,4 +456,3 @@ TEST(BitfieldTest, CountLeadingZero64AllZeros)
     uint64_t value = 0;
     EXPECT_EQ(64, clz64(value));
 }
-

src/base/filters/multi_bit_sel_bloom_filter.cc

@@ -100,4 +100,3 @@ MultiBitSel::hash(Addr addr, int hash_number) const
 
 } // namespace bloom_filter
 } // namespace gem5
-