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reform/pm: lpc comms: increase delays to 80ms

Apparently 60ms isn't always enough.

--- a/sys/src/cmd/reform/pm.c

+++ b/sys/src/cmd/reform/pm.c

@@ -369,7 +369,7 @@

 	 * to be sure LPC is blocked waiting for the chip select to go

 	 * active again.

 	 */

-	sleep(60);

+	sleep(80);

 	while(rd(spi2, SPIx_STATREG) & STAT_RR)

 		rd(spi2, SPIx_RXDATA);

@@ -377,7 +377,7 @@

 	for(i = 0; i < 8; i++)

 		wr(spi2, SPIx_TXDATA, 0);

 	wr(spi2, SPIx_CONREG, con | CON_XCH);

-	sleep(60);

+	sleep(80);

 	for(i = 0; i < 8; i++)

 		((u8int*)ret)[i] = rd(spi2, SPIx_RXDATA);