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/

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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qcom_*: Remove unused devclass arguments to DRIVER_MODULE.

qcom_tcsr: add initial top control and status register (TCSR) support

The Qualcomm TCSR is some top level glue between multiple IP blocks,
both for doing configuration of said IP blocks, some IPC be

qcom_tcsr: add initial top control and status register (TCSR) support

The Qualcomm TCSR is some top level glue between multiple IP blocks,
both for doing configuration of said IP blocks, some IPC between
them (mostly between multiple execution environments - eg trustzone
and non-TZ), and interrupt status bits for them.

However, for the IPQ4018/IPQ4019, it only is used as a small subset
of IP block configuration. As for what it actually gets used as
for other Qualcomm chipsets? Well, that'll have to wait.

It's a bit of a mess in linux and openwrt. See, every different
SoC support branch ends up with some different TCSR code for it.

So instead, I'm going to land a single TCSR driver that I'm going
to use for the IPQ4018/IPQ4019. When I add the next chipset, I'll
figure out how to organise things so there's a single TCSR driver
that works for multiple platforms.

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