kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 35 deletions

diff --git a/target/linux/generic/backport-5.4/820-v5.8-i2c-pxa-use-master-abort-for-device-probes.patch b/target/linux/generic/backport-5.4/820-v5.8-i2c-pxa-use-master-abort-for-device-probes.patch
deleted file mode 100644
index cde9e3fe33..0000000000
--- a/target/linux/generic/backport-5.4/820-v5.8-i2c-pxa-use-master-abort-for-device-probes.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-From: Russell King <rmk+kernel@armlinux.org.uk>
-Bcc: linux@mail.armlinux.org.uk
-Subject: [PATCH 6/7] i2c: pxa: use master-abort for device probes
-MIME-Version: 1.0
-Content-Disposition: inline
-Content-Transfer-Encoding: 8bit
-Content-Type: text/plain; charset="utf-8"
-
-Use master-abort to send the stop condition after an address cycle
-rather than resetting the controller.
-
-Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
----
- drivers/i2c/busses/i2c-pxa.c | 10 ++--------
- 1 file changed, 2 insertions(+), 8 deletions(-)
-
---- a/drivers/i2c/busses/i2c-pxa.c
-+++ b/drivers/i2c/busses/i2c-pxa.c
-@@ -899,14 +899,8 @@ static void i2c_pxa_irq_txempty(struct p
- 		icr &= ~ICR_ALDIE;
- 		icr |= ICR_START | ICR_TB;
- 	} else {
--		if (i2c->msg->len == 0) {
--			/*
--			 * Device probes have a message length of zero
--			 * and need the bus to be reset before it can
--			 * be used again.
--			 */
--			i2c_pxa_reset(i2c);
--		}
-+		if (i2c->msg->len == 0)
-+			icr |= ICR_MA;
- 		i2c_pxa_master_complete(i2c, 0);
- 	}
-