sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remov

sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

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sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

Store mpidr as a 64-bit value on arm64

The mpidr register is 64 bit on arm64 and 32 bit on arm. Fix this by
extending the arm64 definition to include the top 32 bits.

To preserve KBI when MFCing sp

Store mpidr as a 64-bit value on arm64

The mpidr register is 64 bit on arm64 and 32 bit on arm. Fix this by
extending the arm64 definition to include the top 32 bits.

To preserve KBI when MFCing split the value into two 32 bit values.
This will be cleaned up later only on main.

Reviewed by: bz
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D36346

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arm/arm: Remove unused devclass arguments to DRIVER_MODULE.

Split out the FDT arm pmu attachment

This will allow us to add an ACPI attachment.

Submitted by: Greg V <greg@unrelenting.technology> (earlier version)
Sponsored by: Innovate UK