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, 45 deletions

diff --git a/target/linux/generic/backport-5.4/817-v5.8-i2c-pxa-ensure-timeout-messages-are-unique.patch b/target/linux/generic/backport-5.4/817-v5.8-i2c-pxa-ensure-timeout-messages-are-unique.patch
deleted file mode 100644
index 37a77b6c5c..0000000000
--- a/target/linux/generic/backport-5.4/817-v5.8-i2c-pxa-ensure-timeout-messages-are-unique.patch
+++ /dev/null
@@ -1,45 +0,0 @@
-From: Russell King <rmk+kernel@armlinux.org.uk>
-Bcc: linux@mail.armlinux.org.uk
-Subject: [PATCH 3/7] i2c: pxa: ensure timeout messages are unique
-MIME-Version: 1.0
-Content-Disposition: inline
-Content-Transfer-Encoding: 8bit
-Content-Type: text/plain; charset="utf-8"
-
-Ensure that the various timeout messages can identify where in the code
-they were produced from to aid debugging.
-
-Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
----
- drivers/i2c/busses/i2c-pxa.c | 6 +++---
- 1 file changed, 3 insertions(+), 3 deletions(-)
-
---- a/drivers/i2c/busses/i2c-pxa.c
-+++ b/drivers/i2c/busses/i2c-pxa.c
-@@ -1052,7 +1052,7 @@ static int i2c_pxa_do_xfer(struct pxa_i2
- 	ret = i2c->msg_idx;
- 
- 	if (!timeout && i2c->msg_num) {
--		i2c_pxa_scream_blue_murder(i2c, "timeout");
-+		i2c_pxa_scream_blue_murder(i2c, "timeout with active message");
- 		ret = I2C_RETRY;
- 	}
- 
-@@ -1122,7 +1122,7 @@ static int i2c_pxa_pio_set_master(struct
- 	if (timeout < 0) {
- 		show_state(i2c);
- 		dev_err(&i2c->adap.dev,
--			"i2c_pxa: timeout waiting for bus free\n");
-+			"i2c_pxa: timeout waiting for bus free (set_master)\n");
- 		return I2C_RETRY;
- 	}
- 
-@@ -1166,7 +1166,7 @@ static int i2c_pxa_do_pio_xfer(struct px
- 
- out:
- 	if (timeout == 0) {
--		i2c_pxa_scream_blue_murder(i2c, "timeout");
-+		i2c_pxa_scream_blue_murder(i2c, "timeout (do_pio_xfer)");
- 		ret = I2C_RETRY;
- 	}
-