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, 49 deletions

diff --git a/target/linux/layerscape/patches-5.4/819-uart-0011-serial-fsl_lpuart-enable-two-stop-bits.patch b/target/linux/layerscape/patches-5.4/819-uart-0011-serial-fsl_lpuart-enable-two-stop-bits.patch
deleted file mode 100644
index 2d4c14922a..0000000000
--- a/target/linux/layerscape/patches-5.4/819-uart-0011-serial-fsl_lpuart-enable-two-stop-bits.patch
+++ /dev/null
@@ -1,49 +0,0 @@
-From 5f1a35c3f5c17cc6229873248a56784fcd03db1c Mon Sep 17 00:00:00 2001
-From: Fugang Duan <fugang.duan@nxp.com>
-Date: Fri, 27 Sep 2019 15:18:41 +0800
-Subject: [PATCH] serial: fsl_lpuart: enable two stop bits
-
-Add two stop bits support.
-User can run the command to enable two stop bits
-for test: stty  cstopb  -F /dev/ttyLPx
-
-Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
----
- drivers/tty/serial/fsl_lpuart.c | 8 ++++++--
- 1 file changed, 6 insertions(+), 2 deletions(-)
-
---- a/drivers/tty/serial/fsl_lpuart.c
-+++ b/drivers/tty/serial/fsl_lpuart.c
-@@ -2135,11 +2135,12 @@ lpuart32_set_termios(struct uart_port *p
- {
- 	struct lpuart_port *sport = container_of(port, struct lpuart_port, port);
- 	unsigned long flags;
--	unsigned long ctrl, old_ctrl, modem;
-+	unsigned long ctrl, old_ctrl, bd, modem;
- 	unsigned int  baud;
- 	unsigned int old_csize = old ? old->c_cflag & CSIZE : CS8;
- 
- 	ctrl = old_ctrl = lpuart32_read(&sport->port, UARTCTRL);
-+	bd = lpuart32_read(&sport->port, UARTBAUD);
- 	modem = lpuart32_read(&sport->port, UARTMODIR);
- 	/*
- 	 * only support CS8 and CS7, and for CS7 must enable PE.
-@@ -2176,7 +2177,9 @@ lpuart32_set_termios(struct uart_port *p
- 	}
- 
- 	if (termios->c_cflag & CSTOPB)
--		termios->c_cflag &= ~CSTOPB;
-+		bd |= UARTBAUD_SBNS;
-+	else
-+		bd &= ~UARTBAUD_SBNS;
- 
- 	/* parity must be enabled when CS7 to match 8-bits format */
- 	if ((termios->c_cflag & CSIZE) == CS7)
-@@ -2246,6 +2249,7 @@ lpuart32_set_termios(struct uart_port *p
- 	lpuart32_write(&sport->port, old_ctrl & ~(UARTCTRL_TE | UARTCTRL_RE),
- 		       UARTCTRL);
- 
-+	lpuart32_write(&sport->port, bd, UARTBAUD);
- 	lpuart32_serial_setbrg(sport, baud);
- 	lpuart32_write(&sport->port, modem, UARTMODIR);
- 	lpuart32_write(&sport->port, ctrl, UARTCTRL);