firmware: Fix up docs referring to FIRMWARE_IN_KERNEL

We've removed the option, so stop talking about it.
Signed-off-by: NBenjamin Gilbert <benjamin.gilbert@coreos.com>
Acked-by: NIngo Molnar <mingo@kernel.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/driver-api/firmware/built-in-fw.rst

@@ -11,13 +11,8 @@ options:
   * CONFIG_EXTRA_FIRMWARE
   * CONFIG_EXTRA_FIRMWARE_DIR
 
-This should not be confused with CONFIG_FIRMWARE_IN_KERNEL, this is for drivers
-which enables firmware to be built as part of the kernel build process. This
-option, CONFIG_FIRMWARE_IN_KERNEL, will build all firmware for all drivers
-enabled which ship its firmware inside the Linux kernel source tree.
-
 There are a few reasons why you might want to consider building your firmware
-into the kernel with CONFIG_EXTRA_FIRMWARE though:
+into the kernel with CONFIG_EXTRA_FIRMWARE:
 
 * Speed
 * Firmware is needed for accessing the boot device, and the user doesn't

Documentation/x86/microcode.txt

@@ -108,12 +108,11 @@ packages already put them there.
 ====================
 
 The loader supports also loading of a builtin microcode supplied through
-the regular firmware builtin method CONFIG_FIRMWARE_IN_KERNEL. Only
-64-bit is currently supported.
+the regular builtin firmware method CONFIG_EXTRA_FIRMWARE. Only 64-bit is
+currently supported.
 
 Here's an example:
 
-CONFIG_FIRMWARE_IN_KERNEL=y
 CONFIG_EXTRA_FIRMWARE="intel-ucode/06-3a-09 amd-ucode/microcode_amd_fam15h.bin"
 CONFIG_EXTRA_FIRMWARE_DIR="/lib/firmware"
 

arch/x86/Kconfig

@@ -1242,9 +1242,9 @@ config MICROCODE
 	  CONFIG_BLK_DEV_INITRD in order for the loader to be able to scan the
 	  initrd for microcode blobs.
 
-	  In addition, you can build-in the microcode into the kernel. For that you
-	  need to enable FIRMWARE_IN_KERNEL and add the vendor-supplied microcode
-	  to the CONFIG_EXTRA_FIRMWARE config option.
+	  In addition, you can build the microcode into the kernel. For that you
+	  need to add the vendor-supplied microcode to the CONFIG_EXTRA_FIRMWARE
+	  config option.
 
 config MICROCODE_INTEL
 	bool "Intel microcode loading support"