On DT platforms, the module-instance and antenna-sku-info properties
are passed in the DT. On ACPI platforms, module-instance is passed via
the analogous Apple device property mechanism, while the antenna SKU
info is instead obtained via an ACPI method that grabs it from
non-volatile storage.

Add support for this, to allow proper firmware selection on Apple
platforms.

Signed-off-by: Hector Martin <redacted>
---
  .../broadcom/brcm80211/brcmfmac/Makefile      |  2 +
  .../broadcom/brcm80211/brcmfmac/acpi.c        | 47 +++++++++++++++++++
  .../broadcom/brcm80211/brcmfmac/common.c      |  1 +
  .../broadcom/brcm80211/brcmfmac/common.h      |  9 ++++
  4 files changed, 59 insertions(+)
  create mode 100644 drivers/net/wireless/broadcom/brcm80211/brcmfmac/acpi.c

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/Makefile b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/Makefile
index 13c13504a6e8..19009eb9db93 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/Makefile
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/Makefile

@@ -47,3 +47,5 @@ brcmfmac-$(CONFIG_OF) += \
  		of.o
  brcmfmac-$(CONFIG_DMI) += \
  		dmi.o
+brcmfmac-$(CONFIG_ACPI) += \
+		acpi.o

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/acpi.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/acpi.c
new file mode 100644
index 000000000000..2b1a4448b291
--- /dev/null
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/acpi.c

@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright The Asahi Linux Contributors
+ */